P4304XXMFEN2

P4304XXMUXX INTEL | Alldatasheet

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Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide A Guide for Technically Qualified Assemblers of Intel identified Subassemblies/Products Revision 1.3 May 2017

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide ii Disclaimers Information in this document is provided in connection with Intel® products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Intel's Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical, lifesaving, or life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice. A "Mission Critical Application" is any application in which failure of the Intel Product could result, directly or indirectly, in personal injury or death. SHOULD YOU PURCHASE OR USE INTEL'S PRODUCTS FOR ANY SUCH MISSION CRITICAL APPLICATION, YOU SHALL INDEMNIFY AND HOLD INTEL AND ITS SUBSIDIARIES, SUBCONTRACTORS AND AFFILIATES, AND THE DIRECTORS, OFFICERS, AND EMPLOYEES OF EACH, HARMLESS AGAINST ALL CLAIMS COSTS, DAMAGES, AND EXPENSES AND REASONABLE ATTORNEYS' FEES ARISING OUT OF, DIRECTLY OR INDIRECTLY, ANY CLAIM OF PRODUCT LIABILITY, PERSONAL INJURY, OR DEATH ARISING IN ANY WAY OUT OF SUCH MISSION CRITICAL APPLICATION, WHETHER OR NOT INTEL OR ITS SUBCONTRACTOR WAS NEGLIGENT IN THE DESIGN, MANUFACTURE, OR WARNING OF THE INTEL PRODUCT OR ANY OF ITS PARTS. Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them. The board or system may include issues known as product errata which may cause it to deviate from published specifications. All known product errata will be published in the given product’s Monthly Specification Update which can be downloaded from the following Intel website http://www.intel.com/support This document and the software described in it are furnished under license and may only be used or copied in accordance with the terms of the license. The information in this manual is furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by Intel Corporation. Intel Corporation assumes no responsibility or liability for any errors or inaccuracies that may appear in this document or any software that may be provided in association with this document. Except as permitted by such license, no part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means without the express written consent of Intel Corporation. Copies of documents which have an order number and are referenced in this document, or other Intel® literature, may be obtained by calling 1-800-548-4725, or go to: http://www.intel.com/design/literature.htm Intel and Xeon are trademarks or registered trademarks of Intel Corporation. * Other names and brands may be claimed as the property of others. Copyright © 2016 Intel Corporation. All Rights Reserved.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide iii Safety Information Important Safety Instructions Read all caution and safety statements in this document before performing any of the instructions. See also Intel Server Boards and Server Chassis Safety Information at http://www.intel.com/support/motherboards/server/sb/cs-010770.htm. Wichtige Sicherheitshinweise Lesen Sie zunächst sämtliche Warnund Sicherheitshinweise in diesem Dokument, bevor Sie eine der Anweisungen ausführen. Beachten Sie hierzu auch die Sicherheitshinweise zu Intel-Serverplatinen und Servergehäusen auf der http://www.intel.com/support/motherboards/server/sb/cs-010770.htm. Consignes de sécurité Lisez attention toutes les consignes de sécurité et les mises en garde indiquées dans ce document avant de suivre toute instruction. Consultez Intel Server Boards and Server Chassis Safety Information sur le site http://www.intel.com/support/motherboards/server/sb/cs-010770.htm. Instrucciones de seguridad importantes Lea todas las declaraciones de seguridad y precaución de este documento antes de realizar cualquiera de las instrucciones. Vea Intel Server Boards and Server Chassis Safety Information en http://www.intel.com/support/motherboards/server/sb/cs-010770.htm. Error! Hyperlink reference not valid.重要安全指导 在执行任何指令之前，请阅读本文档中的所有注意事项及安全声明。和/或 http://www.intel.com/support/motherboards/server/sb/cs-010770.htm 上的 Intel® Server Boards and Server Chassis Safety Information（《Intel 服务器主板与服务器机箱安全信息》）。

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide iv Warnings Heed safety instructions: Before working with your server product, whether you are using this guide or any other resource as a reference, pay close attention to the safety instructions. You must adhere to the assembly instructions in this guide to ensure and maintain compliance with existing product certifications and approvals. Use only the described, regulated components specified in this guide. Use of other products/components will void the UL listing and other regulatory approvals of the product and will most likely result in noncompliance with product regulations in the region(s) in which the product is sold. System power on/off: The power button DOES NOT turn off the system AC power. To remove power from the system, you must unplug the AC power cord from the wall outlet. Make sure the AC power cord is unplugged before you open the chassis, add, or remove any components. Hazardous conditions, devices and cables: Hazardous electrical conditions may be present on power, telephone, and communication cables. Turn off the server and disconnect the power cord, telecommunications systems, networks, and modems attached to the server before opening it. Otherwise, personal injury or equipment damage can result. Electrostatic discharge (ESD) and ESD protection: ESD can damage disk drives, boards, and other parts. We recommend that you perform all procedures in this chapter only at an ESD workstation. If one is not available, provide some ESD protection by wearing an antistatic wrist strap attached to chassis ground - any unpainted metal surface - on your server when handling parts. ESD and handling boards: Always handle boards carefully. They can be extremely sensitive to ESD. Hold boards only by their edges. After removing a board from its protective wrapper or from the server, place the board component side up on a grounded, static free surface. Use a conductive foam pad if available but not the board wrapper. Do not slide board over any surface. Installing or removing jumpers: A jumper is a small plastic encased conductor that slips over two jumper pins. Some jumpers have a small tab on top that you can grip with your fingertips or with a pair of fine needle nosed pliers. If your jumpers do not have such a tab, take care when using needle nosed pliers to remove or install a jumper; grip the narrow sides of the jumper with the pliers, never the wide sides. Gripping the wide sides can damage the contacts inside the jumper, causing intermittent problems with the function controlled by that jumper. Take care to grip with, but not squeeze, the pliers or other tool you use to remove a jumper, or you may bend or break the pins on the board.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide v Preface About this document This document is written for system integrators and service technicians who are responsible for system assembly, server upgrades, server repair, and component replacement. This document is divided into two major sections. The first half of the document provides detailed instructions on how to assemble a system from the bare chassis to a functional server. It will guide you through the installation of system components and available accessories. The second half of the document is focused on system service. It provides many reference diagrams use to identify all key physical features of the system. It also provides detailed instructions for the replacement of field replaceable components. For the latest revision of this document, go to http://www.intel.com/support. Document Organization System Integration Chapter 1 – Server Building Block System Integration – provides grounds up assembly instructions for the integration of individual server building blocks, starting with a bare chassis and installing all the system boards and major server components, including power supply and system fans. This chapter can be skipped if the server board and other major components are pre-installed in the system. Chapter 2 – Essential System Component Integration and Service – provides instructions for adding essential system components required to complete the integration of the server chassis. This includes installation of Processors, Memory, Add-in Cards, and hot-swap storage devices. Chapter 3 – Options and Accessory Kit Integration and Service – provides instructions for adding and removing various system options and available accessory option kits that may be installed in the system. Chapter 4 – System Software Update and Configuration – provides instructions for completing the integration of the server chassis by updating the system software and navigating through the BIOS Setup screens. System Service Chapter 5 – System Features Overview – provides a high level overview of the Intel® Server Board S2600CW and Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX product family. In this chapter, you will find a list of the server chassis features and illustrations identifying the major system components. The back of this manual provides "getting help" information, LED Decoder, and POST Code Errors.

the following resources available at http://www.intel.com/support. Table 1. Server Chassis References

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide vii Table of Contents

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide viii

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide ix

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 1. Server Building Block System Integration Purpose This chapter provides instructions for the integration of the following Intel server building blocks: Intel® Server Chassis P4304XXMFEN2 + Intel® Server Board S2600CW family Intel® Server Chassis P4304XXMUXX + Intel® Server Board S2600CW family + Power Supply Module Before You Begin Before working with your server product, observe the safety and ESD precautions found in the Warnings section at the beginning of this manual. Tools and Supplies Needed

• Anti-static wrist strap and conductive foam pad (recommended)
• Phillips* (cross head) screwdriver (#2 bit) System Reference All references to left, right, front, top, and bottom assume the reader is facing the front of the chassis. Instruction Format Each procedure described in this chapter will follow an illustration first format. This format will give the reader the option to follow a quicker path to system integration by first seeing an illustration of the intended procedure. If necessary, the reader can then follow the step-by-step instructions that will accompany each procedure.

1.1 Intel® Server Chassis Identification

Figure 1. Intel® Server Chassis P4304XXMFEN2 – Fixed Power Supply Figure 2. Intel® Server Chassis P4304XXMUXX – Optional Redudant Power Supplies Note: There may be only one filler present on the power supply positions (Letter A/B).

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

1.2 Server Building Block Installation

1.2.1 Removing the Chassis Side Cover

Loosen the two screws located on the back edge of the chassis side cover (see letter “A”). Slide the cover and lift it away (see letter “B”). Take out the material from the chassis inside.

1.2.2 Installing the IO Shield

Note: The IO shield can be found in the retail board package, or can be ordered separately. From the chassis inner side, align the IO shield to the chassis rear IO opening. Press the IO shield firmly to the chassis rear IO opening until it clicks into place. To make the process easier, install one end of the IO shield first and finish by pressing the other end.

1.2.3 Installing the Chassis Stand-off

Install the stand-off to the chassis mounting holes aligning to the positions on the server board.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

1.2.4 Server Board Installation

Figure 3. Server Board Installation Note: Follow ESD precautions outlined at the beginning of this manual. Remove the server board from its anti-static bag. Attach the bumpers to the back of the server board. align with and are fully seated into the matching holes on the chassis back panel. VGA connector) align with the IO shield openings and properly fit into it. Fasten down the server board with nine screws using 8 in/lbs torque.

Remove the power supply bay filler if necessary. Insert the 750W power supply module into the power supply bay until it clicks and locks into place. Figure 4. Installing 750W Power Supply

1. Release the two screws that secure the power distribution board kit to the chassis (see letter “A”).
2. Move the power distribution board kit from the original location (750W location) to the new

location (1600W location) (see letter “B” and “C”).

1. Secure the power distribution board kit to the chassis with the two screws (see letter “D”).
2. Remove one of the two power supply bay filler.
3. Insert the 1600W power supply module into the power supply bay until it clicks and locks into

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

Figure 5. Installing 1600W Power Supply

1.3 Cable Routing and Connection

the recommended order in which they should be installed.

1.3.1 Routing the Cables

1. For P4304XXMFEN2, the power cables for HDD/ODD bays should be routed through the opening

HDD/ODD bays should be routed under the 5th system fan.

1. The front panel cable, SATA/SAS data cable(s), USB cable (to the front panel), HSBP_I2C (optional)

should be routed between the first system fan and the chassis sidewall.

1. The system main power cable and CPU power cables need to be managed under the notch of the

air duct, before the air duct can be installed properly. Figure 6. P4304XXMFEN2 Cable Routing

Figure 7. P4304XXMUXX Cable Routing

1.3.2 Connecting the Power Cables to the Server Board

Note: Both CPU1 and CPU2 power need to be supplied even if CPU2 is not installed. Figure 8. Connecting Power Cables

1.3.3 Connecting the System Fan Cables to the Server Board

1. For server chassis P4304XXMFEN2, connect the cables of the two system fans to the fan headers

on the board (silkscreen labled “SYS_FAN_1” and “SYS_FAN_2”).

1. For server chassis P4304XXMUXX, connect the cables of the five system fans to the fan headers on

chassis P4304XXMFEN2 and P4304XXMUXX. Figure 9. Connecting System Fan Cables

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

1.3.4 Connecting the Cables to the Front Panel

1. Connect the front panel cable to the 2x12 SSI compliant front panel connector on the server board edge (silkscreen labeled “SSI_FRONT_PANEL”). 2. Connect the USB 3.0 cable to the 2x10 USB 3.0 connector in blue close to the corner of the server board (silkscreen labeled “USB_5-6”).

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 2. Essential System Component Installation and Service Purpose This chapter provides instructions for the installation and removal of essential system components including processors, memory, storage devices, and add-in cards. If you are continuing the system integration from the previous chapter, you may skip ahead to the section describing processor installation. Before You Begin Before working with your server product, observe the safety and ESD precautions found in the Warnings section at the beginning of this manual. Tools and Supplies Needed

• Anti-static wrist strap and conductive foam pad (recommended)
• Phillips* (cross head) screwdriver (#2 bit) System Reference All references to left, right, front, top, and bottom assume the reader is facing the front of the chassis. Instruction Format Each procedure described in this section will follow an illustration first format. This format will give the reader the option to follow a quicker path to system integration by first seeing an illustration of the intended procedure. If necessary, the reader can then follow the step-by-step instructions that will accompany each procedure.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

2.1 Internal Cable Routing

The system fan assembly must be removed when routing cables from front to back. All cables should be routed using the cable channels along each chassis sidewall as shown in the following illustration. When routing cables from front to back, none should be routed through the center of the system or in the area between the system fans and the DIMMs slots. 1. For P4304XXMFEN2, the power cables for HDD/ODD bays should be routed through the opening on the system fan bracket, close to the chassis side wall; for P4304XXMUXX, the power cables for HDD/ODD bays should be routed under the 5th system fan. 2. The front panel cable, SATA/SAS data cable(s), USB cable (to the front panel), HSBP_I2C (optional) should be routed between the first system fan and the chassis sidewall. 3. The system main power cable and CPU power cables need to be managed under the notch of the air duct, before the air duct can be installed properly. A CPU1/2 power cable B Main power cable C SSD/HDD drive bay power cable (SAS/SATA) D ODD drive bay power cable E Front panel and USB cable F ODD data cable G SSD/HDD drive bay data cable (SATA) H FAN_1 cable (PCIe fan) I FAN_2 cable (CPU fan)

Figure 10. Internal Cable Routing

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

2.2 Chassis Side Cover Removal / Installation

2.2.1 Chassis Side Cover Removal

The server chassis must be operated with the chassis side cover in place to ensure proper cooling. The side cover must be removed to add or replace components inside of the chassis. Before removing the side cover, power down the chassis and unplug all peripheral devices and the power cable(s). Note: A non-skid surface or a stop behind the server chassis may be needed to prevent the server chassis from sliding on your work surface. Loosen the two screws located on the back edge of the chassis side cover (see letter “A”). Slide the cover back and lift it away (see letter “B”).

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

2.2.2 Chassis Side Cover Installation

1. Place the chassis side cover onto the chassis and slide forward until the front edge of the cover is pressed up against the back edge of the front drive bay (see letter “A”). 2. Tighten the two screws at the back of the chassis (see letter “B”).

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

2.3 Air Duct Removal / Installation

Always operate your server chassis with the air duct in place. The air duct is required for proper airflow within the server chassis.

2.3.1 Air Duct Installation

1. Manage the system main power cable and CPU power cables under the notch of the air duct. 2. Align the two tabs on the front edge of the air duct with the matching slots on the fan assembly. 3. Lower the air duct into the chassis ensuring the two tabs are securely installed in the fan assembly.

2.3.2 Air Duct Removal

Lift the air duct straight up until the tabs on the front edge of the air duct are free from the fan assembly.

2.4 System Fan Assembly Removal / Installation

or from front to back, or when server board replacement is necessary.

2.4.1 System Fan Assembly Removal

1. Press the latch handle located on the top of the fan until the latch is fully disengaged from the fan
2. Lift the fan away from the fan bracket.

Figure 11. System Fan Assembly Removal

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide To remove the fixed system fan (CPU fan or PCIe fan) from P4304XXMFEN2 1. Unplug the fan cable from the server board (see letter “A”). 2. Open the two latches on both sides of the system fan until the fan is full disengaged from the fan holder (see letter “B”).

2.4.2 System Fan Assembly Installation

Align the two guide pins on the fan with the openings located on the fan bracket. Carefully lower the fan so the guide pins slide lower into the openings. Continue to push down the fan until the latch on the top of the fan clicks and locks the fan in place. Figure 12. System Fan Assembly Installation

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide To install the fixed system fan on P4304XXMFEN2 Route the fixed fan cable through the fan holder. Align the fixed fan with the fan holder, and press the fixed fan until it clicks and fits into place. Connect the fixed fan cable to the system fan connector on the server board. The PCIe fan connects to the fan connector labled as “SYS_FAN_1”; the CPU fan connects to the fan connector labled as “SYS_FAN_2”.

2.5 Processor Installation / Removal

2.5.1 Processor Heatsink(s) Removal

Figure 13. Processor Heatsink Removal Using a #2 Phillips* screwdriver, start with screw 1 and loosen it by giving it two rotations and stop. Proceed to screw 2 and loosen it by giving it two rotations and stop. Similarly, loosen screws 3 and 4. Repeat steps A and B by giving each screw two rotations each time until all screws are loosened. Lift the heatsink straight up.

2.5.2 Processor Installation

handling the processor. (2) Avoid moving around unnecessarily.

1. Unlatch the CPU Load Plate.

Figure 14. Processor Installation – Open the Socket Lever Push the lever handle labeled “OPEN 1st” (see letter “A”) down and away from the CPU socket. Rotate the lever handle up. Reapeat the steps for the second lever handle (see letter “B”).

1. Lift open the Load Plate.

Figure 15. Processor Installation– Open the Load Plate down the lever handle, with your other hand, lift open the Load Plate (see letter “B”).

2.5.3 Processor Heatsink Installation

Figure 20. Processor Heatsink Installation

1. If present, remove the protective film covering the Thermal Interface Material on the bottom side of

the heatsink (see letter “A”).

1. Align heatsink fins to the front and back of the chassis for correct airflow. Airflow goes from front to

back of the chassis (see letter “B”).

1. Using a #2 Phillips* screwdriver, start with screw 1 and engage screw threads by giving it two
2. Proceed to screw 2 and engage screw threads by giving it two rotations and stop (see letter “D”).

Similarly, engage screws 3 and 4.

1. Repeat steps C and D by giving each screw two rotations each time until each screw is lightly

tightened up to a maximum of 8 inch-lbs torque (see letter “E”).

2.5.4 Removing the Processor

1. Remove the processor heatsink (see section 2.5.1).
2. Unlatch the CPU Load Plate (see section 2.5.2).
3. Lift the Load Plate (see section 2.5.2).
4. Remove the processor by carefully lifting it out of the socket, taking care NOT to drop the processor

and not touching any pins inside the socket.

1. Install the socket cover if a replacement processor is not going to be installed.

2.6 Memory Installation and Removal

2.6.1 Memory Slot Population Requirements

• DIMM Population Rules on CPU-1 – Install DIMMs in order; Channels A, B, C, and D. Start with the 1st DIMM (Blue Slot) on each channel, then slot 2.
• DIMM Population Rules on CPU-2 – Install DIMMs in order; Channels E, F, G, and H. Start with the 1st DIMM (Blue Slot) on each channel, then slot 2.
• The following system configurations require that specific memory slots be populated at all times using either a DIMM or supplied DIMM blank.

2.6.2 Memory Installation

Figure 21. Installing Memory

1. Locate the DIMM sockets. Make sure the clips at either end of the DIMM socket(s) are pushed

outward to the open position (see letter “A”).

1. Holding the DIMM by the edges, remove it from its anti-static package. Position the DIMM above the
2. Insert the bottom edge of the DIMM into the socket (see letter “C”). When the DIMM is inserted,

push down on the top edge of the DIMM until the retaining clips snap into place (see letter “D”). Make sure the clips are firmly in place (see letter “E”).

2.6.3 Removing Memory

Figure 22. Removing Memory

1. Locate the DIMM sockets. Unlatch the retaining clips located on each end of the socket. The DIMM

lifts from the socket (see letter “A”).

1. Holding the DIMM by the edges, lift it from the socket, and store it in an anti-static package.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

2.7 Storage Device Installation/Upgrade

The server chassis support several different storage device options. This section provides instruction for the installation and upgrade of front drive bay storage devices. Installation of other storage options available through accessory kits is provided in Chapter 3. Note: To maintain proper system cooling, all externally accessable drive bays must be populated with a drive carrier. Each drive carrier must have a hard disk drive (HDD), Solid State Device (SSD), or a supplied drive blank installed. The server chassis P4304XXMFEN2 and P4304XXMUXX support various storage options: Basic configuration: Four 3.5” fixed drive trays are the default chassis configuration. Upgrade Option: One optional 3.5” drive bay with hot-swap backplane. Support up to 4x3.5” drives. Upgrade Option: Two optional 3.5” drive bay with hot-swap backplanes. Support up to 8x3.5 drives. Basic Configuration 4x3.5 Upgrade Option 8x3.5 Upgrade Option Upgrade Option: One optional 2.5” drive bay hot-swap backplane. Support up to 8x2.5” drives (HDD/SSD). Upgrade Option: One optional 2.5” drive bay hot-swap backplane. Support up to 4x2.5” drives (HDD/SSD) with green latch for hot-swap support, and 4x2.5 PCIe SSDs (NVMe) with blue latch (hot-swap not supported). Upgrade Option: Two optional 2.5” drive bay hot-swap backplanes. Support up to 16x2.5” drives (HDD/SSD).

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 8x2.5 Upgrade Option 8x2.5 NVMe Combo Upgrade Option 16x2.5 Upgrade Option The table below shows the the cables required for these storage drive options. Drive Count Configuration Cable Type 4 drives Fixed drives (Default configuration) MiniSAS HD to 7-pin SATA (AXXCBL450HD7S), connect MiniSAS HD side to server board side and 7-pin SATA side to drives. Cable shipped with chassis. 4x3.5 hot-swap backplane/cage MiniSAS HD to MiniSAS HD (AXXCBL380HDHD). Both server board and backplane side are MiniSAS HD type. 8 drives Two 4x3.5 hot-swap backplanes/cages MiniSAS HD to MiniSAS HD (AXXCBL380HDHD). Both server board and backplane side are MiniSAS HD type. 8x2.5 hot-swap backplane/cage MiniSAS HD to MiniSAS HD (AXXCBL380HDHD). Both server board and backplane side are MiniSAS HD type. 8x2.5 NVMe Combo backplane/cage One PCIe SSD cable for drive port 0-3 (shipped with FUP8X25S3NVDK) One MiniSAS HD to MiniSAS HD cable (AXXCBL380HDHD) for drive port 4-7 16 drives Two 8x2.5 hot-swap backplanes/cages MiniSAS HD to MiniSAS HD cables (AXXCBL380HDHD)

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

2.7.1 Removing the Front Bezel

Before accessing the storage device, the front bezel needs to be removed. 1. Remove the chassis side cover following the instruction in session “Chassis Side Cover Removal”. 2. Push the two tabs on the front bezel outward until the tabs disengage from the chassis (see letter “A”). 3. Lift the front bezel away from the chassis (see letter “B”).

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

2.7.2 Installing the Front Bezel

Fit the right edge of the bezel assembly against the right side of the chassis. Engage the plastic bezel hooks (see letter “A”) into the raised metal slots at the chassis edge. Rotate the bezel assembly toward the chassis. Latch the two plastic tabs (see letter “B”) on the left side of the bezel assembly to the chassis.

2.7.3 Converting the Pedestal Chassis to Rack Mount Chassis

Remove the front panel module.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Remove the fillers for 5.25” drive slots if required. Remove the cosmetic top board. Install the front panel module.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Install the 5.25” drive if required. Install the rack bezel frame. / NOTE The rack bezel frame is different from the pedestal bezel frame.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Install the rack mount handles. Install the rack bezel (optional).

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Lock the front bezel key.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

2.7.4 Installing the Fixed Drive Storage

The server chassis P4304XXMFEN2 and P4304XXMUXX support four 3.5” fixed drive trays with their default configuration. To install a fixed drive: Remove the chassis side cover following instructions in section “Chassis Side Cover Removal”. Remove the front bezel following instructions in section “Removing the Front Bezel”. Press the clip to release the EMI cover and lift up until it is removed.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Release the fixed drive tray by pressing the latches on both sides of the tray, and pull the drive tray until it is fully removed from the chassis. Secure the 3.5” or 2.5” drives onto the fixed drive tray.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Slide the fixed drive tray back into the chassis until it clicks into place. Install the EMI cover to the chassis front.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Cable connection: On server board side, connect the miniSAS HD cable header to the onboard connector labeled as On fixed drive side, connect the SATA power header and the 7-pin SATA cable header. A cable example is shown as below. The header on the left side is connected to the server board; the headers on the right side are connected to the fixed drive. MiniSAS (SVRBD/HSBP) XXXXXX-XXX XX YYWW Drive_3 Drive_2 Drive_1 Drive_0

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 2.7.5 Upgrading the Fixed Drive Storage to 4x3.5” or 8x2.5” Hot-swap Drive Bay Storage The server chassis support fixed drive storage by default; the optional 4x3.5” or 8x2.5” hot-swap drive bays and cables can be ordered separately and installed in the server chassis as upgrade options. Remove the chassis side cover following instructions in section “Chassis Side Cover Removal”. Remove the front bezel following instructions in section “Removing the Front Bezel”. Remove the fixed drive trays.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Install the EMI cover by aligning the latch on the EMI cover to the chassis front and slide down (see letter “A” and “B”). Slide the 4x3.5” or 8x2.5” hot-swap drive bay to the upper/right drive bay position. Secure the drive bay with the thumb screw.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Cable connection: If using a 4x3.5 hot-swap drive tray, connect the miniSAS HD cable header to the server board connector labeled as “sSATA_0-3” or “SATA_0-3”. If using an 8x2.5 hot-swap drive tray, connect the miniSAS HD cable header to both “sSATA_0-3” and “SATA_0-3”. Connect the other end of the miniSAS HD cable header to the backplane. An I2C cable is needed to connect the “HSBP_I2C” header on the server board to the “I2C_IN” header on the backplane. A “mini SAS HD to mini SAS HD” cable example is shown as below. MiniSAS (SVRBD/HSBP) XXXXXX-XXX XX YYWW

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 2.7.6 Upgrading the Fixed Drive Storage to 8x2.5” PCIe SSD (NVMe) Combo Drive Bay Storage The installation of the 8x2.5” SAS/PCIe SSD (NVMe) combo drive bay involves serveral components:

• NVMe add-in card
• 8x2.5” SAS/PCIe SSD (NVMe) combo drive bay
• NVMe cables
• MiniSAS to miniSAS cables (optional)
• I2C cable 1. Follow the same steps 1-4 in the previous section “Upgrading the Fixed Drive Storage to 4x3.5” or 8x2.5” Hot-swap Drive Bay Storage”. 2. Slide the 8x2.5” SAS PCIe SSD (NVMe) Combo drive bay to the upper/right drive bay position. 3. Install the NVMe add-in card to any PCIe x16 slot on the server board. Note: The PCIe slot 5 will be PCIe x8 bandwith on S2600CW2SR and S2600CWTSR.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 4. Connect the NVMe cables to the NVMe add-in card and the 8x2.5” SAS/PCIe SSD (NVMe) Combo backplane. The cables can be found in FUP8X25S3NVDK. 5. Connect the I2C cable from the mother board HSBP_I2C header to the backplane I2C_IN (SMBus-in) header. 6. If regular SATA/SAS drives will be used in drive slot 0-3, connect the “miniSAS HD to miniSAS HD” cable to the backplane connector G. If SATA/SAS drives will be used in drive slot 4-7, connect the “miniSAS HD to miniSAS HD” cable to the backplane connector B. The other end of the miniSAS HD connector can be connected to the mother board connector “sSATA_0-3”, “SATA_0-3”, “SAS_0-3”, or “SAS_4-7”. Below figure shows the backplane connectors.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Label Description A SMBus-Out (I2C OUT) cable connector for multi-backplane support B SATA/SAS Ports 4-7 Mini-SAS HD cable connector C PCIe SSD Drive #3 Mini-SAS HD cable connector D PCIe SSD Drive #2 Mini-SAS HD cable connector E PCIe SSD Drive #1 Mini-SAS HD cable connector F PCIe SSD Drive #0 Mini-SAS HD cable connector G SATA/SAS Ports 0-3 Mini-SAS HD cable connector H SMBus-In (I2C IN) cable connector – From Server board or other backplane I Power connector Below figure shows the PCIe SSD and SATA/SAS drive slots on the backplane. x4 PCIe SSD + x4 SATA / SAS Drive Numbering PCIe SSD SATA / SAS

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide The cables used to connect the NVMe add-in card to the 8x2.5” Combo backplane (PCIe SSD Drive #0~3 Mini-SAS HD cable connector) is shown as below. The backplane connects to the left side of the cable; the PCIe SSD add-in card connects to the right side of the cable. Notes:

• On 8x2.5” Combo backplane, the port C, D, E, and F are for PCIe SSD (NVMe). The port B and G are for regular drives. To use the regular drive bays (port B and G on the 8x2.5 Combo backplane), follow the instructions in section “Upgrading the Fixed Drive Storage to 4x3.5” or 8x2.5” Hot-swap Drive Bay Storage” to connect the “minSAS HD to miniSAS HD” cable between the server board SATA/SAS connectors and the port B and G on the backplane.
• The 8x2.5 SAS/NVMe combo backplane is capable of supporting 12 Gb SAS or 6 Gb SAS/SATA drives. The SAS/SATA drives are hot-swappable and each drive is mounted to a drive tray with a green latch. The front side of the backplane includes eight drive interface connectors. All eight connectors can support regular SATA or SAS drives, but only the first four are capable of supporting NVMe drives.
• Any combination of NVMe drives and SATA/SAS drives can be supported, as long as the number of NVMe drives does not exceed four and they are installed into any of the first four drive connectors on the backplane.
• The NVMe drives are NOT hot-swappable. The system must be powered off to add or replace an NVMe drives. To identify an NVMe drive in a system where multiple other SAS/SATA devices may be installed, the NVMe drive tray has a blue latch release.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 2.7.7 Upgrading the Fixed Drive Storage to 8x3.5” Hot-swap Drive Bay Storage The server chassis can support two 4x3.5” hot-swap drive bays as an upgrade option from fixed drive storage. Remove the chassis side cover following instructions in section “Chassis Side Cover Removal”. Remove the front bezel following instructions in section “Removing the Front Bezel”. Remove the fixed drive trays. Install the drive bays. Note: The drive bay on the upper position should be installed first, then the second drive bay on the lower position. Cable connection: On server board side, connect the miniSAS HD cable header to the server board connector labeled as “sSATA_0-3” and “SATA_0-3”.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide On each backplane, connect one miniSAS HD cable to the connector labled as “HDD_0-3”. Connect the “HSBP_I2C” header on the server board to the “I2C_IN” header on the first backplane. Connect the “I2C_OUT” header on the first backplane to the “I2C_IN” header on the second backplane. A “mini SAS HD to mini SAS HD” cable example is shown as below. MiniSAS (SVRBD/HSBP) XXXXXX-XXX XX YYWW The two backplanes are cascaded with an I2C cable as below.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 2.7.8 Upgrading the Fixed Drive Storage to 16x2.5” Hot-swap Drive Bay Storage The server chassis can support two 8x3.5” hot-swap drive bays as an upgrade option from fixed drive storage. Remove the chassis side cover following instructions in section “Chassis Side Cover Removal”. Remove the front bezel following instructions in section “Removing the Front Bezel”. Remove the fixed drive trays. Install the drive bays. Note: The drive bay on the upper position should be installed first, then the second drive bay on the lower position. Cable connection: On server board side, connect the two miniSAS HD cable headers to the server board connectors labeled as “sSATA_0-3” and “SATA_0-3”, and connect the other two miniSAS HD cable headers to the server board connectors labled as “SAS_0-3” and “SAS_4-7”. Note: The “SAS_0-3” and “SAS_4-7” are available on S2600CW2SR and S2600CWTSR.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Connect the other end of the miniSAS HD cables to the backplane mini SAS HD connectors. Connect the “HSBP_I2C” header on the server board to the “I2C_IN” header on the first backplane. Connect the “I2C_OUT” header on the first backplane to the “I2C_IN” header on the second backplane. An example of “mini SAS HD to mini SAS HD” cable is shown as below. MiniSAS (SVRBD/HSBP) XXXXXX-XXX XX YYWW The two backplanes are cascaded with an I2C cable as below.

Figure 27. Hard Disk Drive Installation – Inserting the 3.5” HDD Assembly

1. With the lever open, insert the drive assembly into the drive bay (see letter “E”).
2. Push in the lever to lock it into place (see letter “F”).

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 3. Option and Accessory Kit Integration and Service Purpose This chapter provides instructions for the integration of system components within a server chassis that has the server board and other system components pre-installed. It includes installation instructions for supported system options, and other available accessory option kits. Before You Begin Before working with your server product, observe the safety and ESD precautions found in the Warnings section at the beginning of this manual. Tools and Supplies Needed

• Anti-static wrist strap and conductive foam pad (recommended)
• Phillips* (cross head) screwdriver (#2 bit) System Reference All references to left, right, front, top, and bottom assume the reader is facing the front of the chassis. Internal Cable Routing See section 2.1 Internal Cable Routing. Instruction Format Each procedure described in this section will follow an illustration first format. This format will give the reader the option to follow a quicker path to system integration by first seeing an illustration of the intended procedure. If necessary, the reader can then follow the step-by-step instructions that will accompany each procedure.

3.1 Optical Drive – Installation and Removal

drive for systems that support the option.

3.1.1 Optical Drive Installation

by pressing the power button, and unplug the power cord from the system or wall outlet.

1. Remove an EMI shield (see letter “A”).

Figure 32. Removing the EMI Shield

1. Get the slides from the chassis side (see letter “B”). Attach the slides to the optical drive by pressing

assembly into the device bay until the slides lock into place (see letter “D”). Figure 33. Installing the Optical Drive

1. Connect the optical power cable and data cable.

3.1.2 Optical Drive Removal

by pressing the power button, and unplugging the power cord from the system or wall outlet.

1. Disconnect the power and data cables to the optical drive.
2. Press on the slide release latches (see letter “A”) and pull the optical drive or slide assembly from

the chassis (see letter “B”). Remove the slides from the optical drive (see letter “C”). Figure 34. Removing the Optical Drive

1. If not replacing with another drive, reinsert an EMI shield into the chassis.

Figure 35. Re-inserting the Empty EMI Shield

3.2 ESRT2 RAID5 Key – Installation / Removal

3.2.1 Installing the ESRT2 RAID 5 Key

Figure 36. ESRT2 RAID 5 Key Location

1. Remove the ESRT2 RAID 5 Key from its packaging.
2. Locate the key connector shown in the picture.
3. To install the key, place it over the connector and confirm the orientation of the key matches that of
4. Press the key down onto the connector.

3.2.2 Removing the ESRT2 RAID 5 Key

1. Power off the system and disconnect the power cable(s).
2. Remove the chassis side cover.
3. Using the Key pull tab, pull the key up until it disengages from the connector.

3.3 LSI IMR RAID5 Key – Installation / Removal

3.3.1 Installing the LSI IMR RAID 5 Key

Figure 37. IMR RAID 5 Key Location

1. Remove the LSI IMR RAID 5 Key from its packaging.
2. Locate the key connector shown in the picture.
3. To install the key, place it over the connector and confirm the orientation of the key matches that of
4. Press the key down onto the connector.

3.3.2 Removing the LSI IMR RAID 5 Key

1. Power off the system and disconnect the power cable(s).
2. Remove the chassis side cover.
3. Using the Key pull tab, pull the key up until it disengages from the connector.

3.4 Intel® RAID Smart Battery AXXRSBBU9 – Installation /

RAID RAM during an AC power outage or if the AC power cord is removed. as a second level of fault tolerance when used with a UPS.

3.4.1 Intel® RAID Smart Battery Pre-Installation Considerations

damage the board, connectors, or screws, and you will void the warranty of the board. charge, under normal operating conditions. back to take advantage of the performance improvements of data caching.

3.4.2 Installing the Intel® RAID Smart Battery

Figure 38. BBU Unit Connection to the RAID card

1. Remove the RAID Controller if it is already installed in the server system.
2. Ground yourself, and remove the Intel® RAID Smart Battery AXXRSBBU9 from the package.
3. Verify that the cache memory board is already installed on the supported RAID controller.
4. Connect AXXRSBBU9 to the Cache Memory Board on the RAID Controller

unnecessary force when plugging in the cable. Figure 39. Installing the RAID Card again

1. Install the RAID Controller in the Server System

3.4.3 Connecting the Plastic Battery Holder to the Chassis

mechanism complies with the chassis requirements.

1. Locate the installation clips inside the chassis. They are on the left side of the chassis, near the rear.

Remove the Mylar pad if there is a Mylar pad covering the mounting hole. Figure 40. Align the tabs with battery holder

1. Align the tabs on the plastic battery holder with the clips on the chassis

Figure 41. Slide the battery holder

1. Slide the plastic battery holder toward the front of the system until the tabs engage with the clips in

3.4.4 Removing the Intel® RAID Smart Battery

1. Shut down the computer, turn off the power, and unplug the power cord(s).
2. Remove the chassis cover and ground yourself before touching the RAID controller.
3. Carefully unplug all cables connected to the RA ID controller. Press the Silver Spring at the connector

end of the data cables to make sure the two tiny catches release.

1. Carefully remove the RAID controller from the server board. For more information on removing add-in

cards, refer to the server board documentation.

1. Place the RAID controller on a flat, clean, static-free surface.

3.5 Intel® Remote Management Module 4 Lite Key – Installation /

3.5.1 Intel® RMM4 Lite Key Installation

Figure 42. Installing the Intel® RMM4 Lite

1. Remove the Intel® RMM4 Lite key from its packaging.
2. Locate the Intel® RMM4 Lite connector on the server board between the first two PCIe slots.
3. Place the Intel® RMM4 Lite key over the connector and match the orientation of the key to that of
4. Press the key down onto the connector.

3.5.2 Intel® RMM4 Lite Key Removal

1. Power off the system and disconnect the power cable(s).
2. Remove the chassis side cover.
3. Carefully grasp the key and pull it up until it disengages from the connector.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide

3.6 Trusted Platform Module (TPM) Installation

1. Locate the TPM module connector on the server board near the first PCIe slot. 2. Install the stand-off to the server board mounting hole (see letter “A”). 3. Place the TPM module over the connector, match the orientation and press the key down onto the connector (see letter “B”). 4. Secure the TPM module to the stand-off with the screw (see letter “C”). 3.7 M.2 Installation 1. Locate the M.2 connector on the server board near the DIMM slot. 2. Install the stand-off to the server board mounting hole (see letter “A”). 3. Slide the M.2 device into the connector (see letter “B”). 4. Secure the TPM module to the stand-off with the screw (see letter “C”).

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide 4. System Software Updates and Configuration

4.1 Updating the System Software Stack

The system includes a software stack to operate. This includes a BIOS, BMC firmware, ME firmware, and FRU & SDR data. A default software stack is loaded during the system manufacturing process. However, it may not be the latest available. For best operation and system reliability, it is highly recommended to update the system software stack to the latest available. The latest system software stack can be downloaded from Intel at the following Intel web site: http://downloadcenter.intel.com At a minimum, after the initial configuration, the system’s FRU and SDR data MUST be updated to ensure that the embedded platform management sub-system is configured properly. The system’s FRU and SDR data is updated by running the FRUSDR utility. Properly loaded FRU and SDR data allows platform management to monitor the appropriate system sensors which are used to determine proper system cooling, best performance, and accurate error reporting. The FRUSDR Utility is included in the platform’s System Update Package (SUP) which can be downloaded from the Intel web site referenced above. The System Update Package will include full system update instructions.

4.2 Using the BIOS Setup Utility

This section describes how to access and navigate the embedded <F2> BIOS Setup utility. This utility can be used to view and configure system settings that determine how the server operates.

4.2.1 Entering BIOS Setup

To enter the BIOS Setup using a keyboard (or emulated keyboard), press the <F2> function key during boot time when the OEM or Intel Logo Screen or the POST Diagnostic Screen is displayed. Note: At initial system power-on, a USB Keyboard will not be functional until the USB controller has been initialized during the power on self-test (POST) process. When the USB controller is initialized, the system will beep once. Only after that time will the key strokes from a USB Keyboard be recognized allowing for access into the <F2> BIOS Setup utility. The following message will be displayed on the Diagnostic Screen or under the Quiet Boot Logo Screen: Press <F2> to enter setup, <F6> Boot Menu, <F12> Network Boot After pressing the <F2> key, the system will eventually load the BIOS Setup Utility and display the BIOS Setup Main Menu screen. Note: Should serious system errors occur during the POST process, the regular system boot will stop and the system will load the BIOS Setup Utility and display the Error Manager Screen. The Error Manager Screen will list and provide information about the specific boot errors detected.

4.2.2 No Access to the BIOS Setup Utility

If the BIOS Setup Utility is not accessible by hitting the <F2> key or other described access methods, it may be necessary to restore the BIOS default settings.

4.2.3 Navigating the BIOS Setup Utility

and/or configurable system setup options. through the Setup utility. These commands are displayed at all times. anyone with access to BIOS Setup. greyed out and are not accessible. Table 2. BIOS Setup: Keyboard Command Bar <Esc> Exit The <Esc> key provides a mechanism for backing out of any field. features of a menu, the parent menu is re-entered. must then be activated by pressing the <Enter> key. activated by pressing the <Enter> key. values in the associated pick list without displaying the full list.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Key Option Description <F9> Setup Defaults Pressing the <F9> key causes the following to display: Load Optimized Defaults? Yes No If “Yes” is highlighted and <Enter> is pressed, all Setup fields are set to their default values. If “No” is highlighted and <Enter> is pressed, or if the <Esc> key is pressed, the user is returned to where they were before <F9> was pressed without affecting any existing field values. <F10> Save and Exit Pressing the <F10> key causes the following message to display: Save configuration and reset? Yes No If “Yes” is highlighted and <Enter> is pressed, all changes are saved and the Setup is exited. If “No” is highlighted and <Enter> is pressed, or the <Esc> key is pressed, the user is returned to where they were before <F10> was pressed without affecting any existing values.

P4304XXMFEN2/P4304XXMUXX product family.

• Intel® Server Board S2600CW Technical Product Specification
• Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Technical Product Specification

5.1 System Feature Reference Diagrams

location of important components, features, and connections found throughout the server chassis. Figure 43. Intel® Server Chassis P4304XXMFEN2 Features Overview

Figure 44. Intel® Server Chassis P4304XXMUXX Features Overview

5.1.1 Front Drive Bay Options

Figure 45. No Front Drive Bay Configuration – Chassis-only Building Block

5.1.2 Control Panel Features

Figure 46. P4304XXMFEN2/P4304XXMUXX Front Panel

5.1.3 Back Panel Features

Figure 47. P4304XXMFEN2 Back Panel

Figure 48. P4304XXMUXX Back Panel

5.1.4 Server Board Features

Figure 49. Server Board Feature Identification

Figure 50. Intel® Light-Guided Diagnostic LEDs – Server Board

Figure 51. DIMM Fault LEDs

5.2 System Configuration and Recovery Jumpers

Figure 52. System Configuration and Recovery Jumpers back to its default position over pins 1-2. to its default position over pins 1-2.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Jumper Name Jumper Purpose BIOS Default To reset all BIOS setup options back to factory defaults, power off the system and move this jumper block to pins 2-3. Power on the system and allow the system to complete the power on self-test (POST) process. Power off the system. Move the jumper block back to its default position over pins 1-2. BMC Force Update To place the system in a BMC Force Update Mode, power off the system and move the jumper block to pins 2-3. When set, this option will disable all but the essential baseboard management functions. The default setting for this option is to have the jumper block installed over pins 1-2

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Appendix A: Getting Help If you encounter an issue with your server chassis, follow these steps to obtain support: 1. Visit the following Intel support web page: http://www.intel.com/support/ This web page provides 24x7 support when you need it to get the latest and most complete technical support information on all Intel Enterprise Server and Storage Platforms. Information available at the support site includes: — Latest BIOS, firmware, drivers and utilities — Product documentation, installation and quick start guides — Full product specifications, technical advisories and errata — Compatibility documentation for memory, hardware add-in cards, chassis support matrix and operating systems — Server and chassis accessory parts list for ordering upgrades or spare parts — A searchable knowledgebase to search for product information throughout the support site 2. If you are still unable to obtain a solution to your issue, send an email to Intel’s technical support center using the online form available at http://www.intel.com/support/feedback.htm?group=server 3. Lastly, you can contact an Intel support representative using one of the support phone numbers available at http://www.intel.com/support/feedback.htm?group=server (charges may apply). Intel also offers Channel Program members around-the-clock 24x7 technical phone support on Intel® server boards, server chassis, server RAID controller cards, and Intel® Server Management at http://www.intel.com/reseller/. Note: You will need to log in to the Reseller site to obtain the 24x7 number. Warranty Information To obtain warranty information, visit the following Intel web site: http://www.intel.com/support/warranty

on the back edge of the server board. was run prior to the error occurring, helping to isolate the possible cause of the hang condition. the corresponding LED is off. Figure 53. POST Diagnostic LED Location Note: Diag LEDs are best read and decoded when viewing the LEDs from the back of the system.

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Table 3. POST Progress Code LED Example IMC and other hardware settings, and initialization of applicable RAS configurations. operational path at each step. Table 4. MRC Progress Codes

Description

1 = LED On, 0 = LED Off Upper Nibble Lower Nibble MSB LSB 8h 4h 2h 1h 8h 4h 2h 1h MRC Progress Codes B0h 1 0 1 1 0 0 0 0 Detect DIMM population B1h 1 0 1 1 0 0 0 1 Set DDR3 frequency B2h 1 0 1 1 0 0 1 0 Gather remaining SPD data B3h 1 0 1 1 0 0 1 1 Program registers on the memory controller level B4h 1 0 1 1 0 1 0 0 Evaluate RAS modes and save rank information B5h 1 0 1 1 0 1 0 1 Program registers on the channel level B6h 1 0 1 1 0 1 1 0 Perform the JEDEC defined initialization sequence B7h 1 0 1 1 0 1 1 1 Train DDR3 ranks B8h 1 0 1 1 1 0 0 0 Initialize CLTT/OLTT B9h 1 0 1 1 1 0 0 1 Hardware memory test and init BAh 1 0 1 1 1 0 1 0 Execute software memory init BBh 1 0 1 1 1 0 1 1 Program memory map and interleaving BCh 1 0 1 1 1 1 0 0 Program RAS configuration BFh 1 0 1 1 1 1 1 1 MRC is done Should a major memory initialization error occur, preventing the system from booting with data integrity, a beep code is generated, the MRC will display a fatal error code on the diagnostic LEDs, and a system halt command is executed. Fatal MRC error halts do NOT change the state of the System Status LED, and they do NOT get logged as SEL events. The following table lists all MRC fatal errors that are displayed to the Diagnostic LEDs. Note: Fatal MRC errors will display POST error codes that may be the same as BIOS POST progress codes displayed later in the POST process. The fatal MRC codes can be distinguished from the BIOS

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide POST progress codes by the accompanying memory failure beep code of 3 long beeps as identified in Table 8. Table 5. MRC Fatal Error Codes 1 = LED On, 0 = LED Off Upper Nibble Lower Nibble MSB LSB 8h 4h 2h 1h 8h 4h 2h 1h MRC Fatal Error Codes E8h 1 1 1 0 1 0 0 0 No usable memory error 01h = No memory was detected from SPD read, or invalid config that causes no operable memory. 02h = Memory DIMMs on all channels of all sockets are disabled due to hardware memtest error. 3h = No memory installed. All channels are disabled. E9h 1 1 1 0 1 0 0 1 Memory is locked by Intel Trusted Execution Technology and is inaccessible EAh 1 1 1 0 1 0 1 0 DDR3 channel training error 01h = Error on read DQ/DQS (Data/Data Strobe) init 02h = Error on Receive Enable 3h = Error on Write Leveling 04h = Error on write DQ/DQS (Data/Data Strobe EBh 1 1 1 0 1 0 1 1 Memory test failure 01h = Software memtest failure. 02h = Hardware memtest failed. 03h = Hardware Memtest failure in Lockstep Channel mode requiring a channel to be disabled. This is a fatal error which requires a reset and calling MRC with a different RAS mode to retry. EDh 1 1 1 0 1 1 0 1 DIMM configuration population error 01h = Different DIMM types (UDIMM, RDIMM, LRDIMM) are detected installed in the system. 02h = Violation of DIMM population rules. 03h = The 3rd DIMM slot cannot be populated when QR DIMMs are installed. 04h = UDIMMs are not supported in the 3rd DIMM slot. 05h = Unsupported DIMM Voltage. EFh 1 1 1 0 1 1 1 1 Indicates a CLTT table structure error

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide BIOS POST Progress Codes The following table provides a list of all POST progress codes. Table 6. POST Progress Codes 1 = LED On, 0 = LED Off Upper Nibble Lower Nibble MSB LSB 8h 4h 2h 1h 8h 4h 2h 1h SEC Phase 01h 0 0 0 0 0 0 0 1 First POST code after CPU reset 02h 0 0 0 0 0 0 1 0 Microcode load begin 03h 0 0 0 0 0 0 1 1 CRAM initialization begin 04h 0 0 0 0 0 1 0 0 Pei Cache When Disabled 05h 0 0 0 0 0 1 0 1 SEC Core At Power On Begin. 06h 0 0 0 0 0 1 1 0 Early CPU initialization during Sec Phase. 07h 0 0 0 0 0 1 1 1 Early SB initialization during Sec Phase. 08h 0 0 0 0 1 0 0 0 Early NB initialization during Sec Phase. 09h 0 0 0 0 1 0 0 1 End Of Sec Phase. 0Eh 0 0 0 0 1 1 1 0 Microcode Not Found. 0Fh 0 0 0 0 1 1 1 1 Microcode Not Loaded. PEI Phase 10h 0 0 0 1 0 0 0 0 PEI Core 11h 0 0 0 1 0 0 0 1 CPU PEIM 15h 0 0 0 1 0 1 0 1 NB PEIM 19h 0 0 0 1 1 0 0 1 SB PEIM MRC Process Codes – MRC Progress Code Sequence is executed – See Table 4. MRC Progress Codes PEI Phase continued… 31h 0 0 1 1 0 0 0 1 Memory Installed 32h 0 0 1 1 0 0 1 0 CPU PEIM (Cpu Init) 33h 0 0 1 1 0 0 1 1 CPU PEIM (Cache Init) 34h 0 0 1 1 0 1 0 0 CPU PEIM (BSP Select) 35h 0 0 1 1 0 1 0 1 CPU PEIM (AP Init) 36h 0 0 1 1 0 1 1 0 CPU PEIM (CPU SMM Init) 4Fh 0 1 0 0 1 1 1 1 Dxe IPL started DXE Phase 60h 0 1 1 0 0 0 0 0 DXE Core started 61h 0 1 1 0 0 0 0 1 DXE NVRAM Init 62h 0 1 1 0 0 0 1 0 SB RUN Init 63h 0 1 1 0 0 0 1 1 Dxe CPU Init 68h 0 1 1 0 1 0 0 0 DXE PCI Host Bridge Init 69h 0 1 1 0 1 0 0 1 DXE NB Init 6Ah 0 1 1 0 1 0 1 0 DXE NB SMM Init 70h 0 1 1 1 0 0 0 0 DXE SB Init 71h 0 1 1 1 0 0 0 1 DXE SB SMM Init

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Checkpoint Diagnostic LED Decoder 1 = LED On, 0 = LED Off Upper Nibble Lower Nibble MSB LSB 8h 4h 2h 1h 8h 4h 2h 1h 72h 0 1 1 1 0 0 1 0 DXE SB devices Init 78h 0 1 1 1 1 0 0 0 DXE ACPI Init 79h 0 1 1 1 1 0 0 1 DXE CSM Init 90h 1 0 0 1 0 0 0 0 DXE BDS Started 91h 1 0 0 1 0 0 0 1 DXE BDS connect drivers 92h 1 0 0 1 0 0 1 0 DXE PCI Bus begin 93h 1 0 0 1 0 0 1 1 DXE PCI Bus HPC Init 94h 1 0 0 1 0 1 0 0 DXE PCI Bus enumeration 95h 1 0 0 1 0 1 0 1 DXE PCI Bus resource requested 96h 1 0 0 1 0 1 1 0 DXE PCI Bus assign resource 97h 1 0 0 1 0 1 1 1 DXE CON_OUT connect 98h 1 0 0 1 1 0 0 0 DXE CON_IN connect 99h 1 0 0 1 1 0 0 1 DXE SIO Init 9Ah 1 0 0 1 1 0 1 0 DXE USB start 9Bh 1 0 0 1 1 0 1 1 DXE USB reset 9Ch 1 0 0 1 1 1 0 0 DXE USB detect 9Dh 1 0 0 1 1 1 0 1 DXE USB enable A1h 1 0 1 0 0 0 0 1 DXE IDE begin A2h 1 0 1 0 0 0 1 0 DXE IDE reset A3h 1 0 1 0 0 0 1 1 DXE IDE detect A4h 1 0 1 0 0 1 0 0 DXE IDE enable A5h 1 0 1 0 0 1 0 1 DXE SCSI begin A6h 1 0 1 0 0 1 1 0 DXE SCSI reset A7h 1 0 1 0 0 1 1 1 DXE SCSI detect A8h 1 0 1 0 1 0 0 0 DXE SCSI enable A9h 1 0 1 0 1 0 0 1 DXE verifying SETUP password ABh 1 0 1 0 1 0 1 1 DXE SETUP start ACh 1 0 1 0 1 1 0 0 DXE SETUP input wait ADh 1 0 1 0 1 1 0 1 DXE Ready to Boot AEh 1 0 1 0 1 1 1 0 DXE Legacy Boot AFh 1 0 1 0 1 1 1 1 DXE Exit Boot Services B0h 1 0 1 1 0 0 0 0 RT Set Virtual Address Map Begin B1h 1 0 1 1 0 0 0 1 RT Set Virtual Address Map End B2h 1 0 1 1 0 0 1 0 DXE Legacy Option ROM init B3h 1 0 1 1 0 0 1 1 DXE Reset system B4h 1 0 1 1 0 1 0 0 DXE USB Hot plug B5h 1 0 1 1 0 1 0 1 DXE PCI BUS Hot plug B6h 1 0 1 1 0 1 1 0 DXE NVRAM cleanup B7h 1 0 1 1 0 1 1 1 DXE Configuration Reset 00h 0 0 0 0 0 0 0 0 INT19

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Checkpoint Diagnostic LED Decoder 1 = LED On, 0 = LED Off Upper Nibble Lower Nibble MSB LSB 8h 4h 2h 1h 8h 4h 2h 1h S3 Resume E0h 1 1 1 0 0 0 0 0 S3 Resume PEIM (S3 started) E1h 1 1 1 0 0 0 0 1 S3 Resume PEIM (S3 boot script) E2h 1 1 1 0 0 0 1 0 S3 Resume PEIM (S3 Video Repost) E3h 1 1 1 0 0 0 1 1 S3 Resume PEIM (S3 OS wake) BIOS Recovery F0h 1 1 1 1 0 0 0 0 PEIM which detected forced Recovery condition F1h 1 1 1 1 0 0 0 1 PEIM which detected User Recovery condition F2h 1 1 1 1 0 0 1 0 Recovery PEIM (Recovery started) F3h 1 1 1 1 0 0 1 1 Recovery PEIM (Capsule found) F4h 1 1 1 1 0 1 0 0 Recovery PEIM (Capsule loaded)

available to System Management applications, including Remote and Out of Band (OOB) management.

• Minor: The error message is displayed on the screen or on the Error Manager screen, and an error is logged to the SEL. The system continues booting in a degraded state. The user may want to replace the erroneous unit. The POST Error Pause option setting in the BIOS setup does not have any effect on this error.
• Major: The error message is displayed on the Error Manager screen, and an error is logged to the SEL. The POST Error Pause option setting in the BIOS setup determines whether the system pauses to the Error Manager for this type of error so the user can take immediate corrective action or the system continues booting. Note that for 0048 “Password check failed”, the system halts, and then after the next reset/reboot will displays the error code on the Error Manager screen.
• Fatal: The system halts during post at a blank screen with the text “Unrecoverable fatal error found. System will not boot until the error is resolved” and “Press <F2> to enter setup” The POST Error Pause option setting in the BIOS setup does not have any effect with this class of error. When the operator presses the F2 key on the keyboard, the error message is displayed on the Error Manager screen, and an error is logged to the SEL with the error code. The system cannot boot unless the error is resolved. The user needs to replace the faulty part and restart the system. Note: The POST error codes in the following table are common to all current generation Intel server platforms. Features present on a given server board/system will determine which of the listed error codes are supported.

Table 7. POST Error Codes and Messages

0012 System RTC date/time not set Major

0048 Password check failed Major

0140 PCI component encountered a PERR error Major

0141 PCI resource conflict Major

0146 PCI out of resources error Major

0191 Processor core/thread count mismatch detected Fatal

0192 Processor cache size mismatch detected Fatal

0194 Processor family mismatch detected Fatal

0195 Processor Intel(R) QPI link frequencies unable to synchronize Fatal

0196 Processor model mismatch detected Fatal

0197 Processor frequencies unable to synchronize Fatal

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Error Code Error Message Response

5220 BIOS Settings reset to default settings Major

5221 Passwords cleared by jumper Major

5224 Password clear jumper is Set Major

8130 Processor 01 disabled Major

8131 Processor 02 disabled Major

8160 Processor 01 unable to apply microcode update Major

8161 Processor 02 unable to apply microcode update Major

8170 Processor 01 failed Self Test (BIST) Major

8171 Processor 02 failed Self Test (BIST) Major

8180 Processor 01 microcode update not found Minor

8181 Processor 02 microcode update not found Minor

8190 Watchdog timer failed on last boot Major

8198 OS boot watchdog timer failure Major

8300 Baseboard management controller failed self test Major

8305 Hot Swap Controller failure Major

83A0 Management Engine (ME) failed self test Major 83A1 Management Engine (ME) Failed to respond. Major 84F2 Baseboard management controller failed to respond Major 84F3 Baseboard management controller in update mode Major 84F4 Sensor data record empty Major 84FF System event log full Minor

8500 Memory component could not be configured in the selected RAS mode Major

8501 DIMM Population Error Major

8520 DIMM_A1 failed test/initialization Major

8521 DIMM_A2 failed test/initialization Major

8522 DIMM_A3 failed test/initialization Major

8523 DIMM_B1 failed test/initialization Major

8524 DIMM_B2 failed test/initialization Major

8525 DIMM_B3 failed test/initialization Major

8526 DIMM_C1 failed test/initialization Major

8527 DIMM_C2 failed test/initialization Major

8528 DIMM_C3 failed test/initialization Major

8529 DIMM_D1 failed test/initialization Major

852A DIMM_D2 failed test/initialization Major 852B DIMM_D3 failed test/initialization Major 852C DIMM_E1 failed test/initialization Major 852D DIMM_E2 failed test/initialization Major 852E DIMM_E3 failed test/initialization Major 852F DIMM_F1 failed test/initialization Major

8530 DIMM_F2 failed test/initialization Major

8531 DIMM_F3 failed test/initialization Major

8532 DIMM_G1 failed test/initialization Major

8533 DIMM_G2 failed test/initialization Major

8534 DIMM_G3 failed test/initialization Major

8535 DIMM_H1 failed test/initialization Major

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Error Code Error Message Response

8536 DIMM_H2 failed test/initialization Major

8537 DIMM_H3 failed test/initialization Major

8538 DIMM_J1 failed test/initialization Major

8539 DIMM_J2 failed test/initialization Major

853A DIMM_J3 failed test/initialization Major 853B DIMM_K1 failed test/initialization Major 853C DIMM_K2 failed test/initialization Major 853D DIMM_K3 failed test/initialization Major 853E DIMM_L1 failed test/initialization Major 853F (Go to 85C0) DIMM_L2 failed test/initialization Major

8540 DIMM_A1 disabled Major

8541 DIMM_A2 disabled Major

8542 DIMM_A3 disabled Major

8543 DIMM_B1 disabled Major

8544 DIMM_B2 disabled Major

8545 DIMM_B3 disabled Major

8546 DIMM_C1 disabled Major

8547 DIMM_C2 disabled Major

8548 DIMM_C3 disabled Major

8549 DIMM_D1 disabled Major

854A DIMM_D2 disabled Major 854B DIMM_D3 disabled Major 854C DIMM_E1 disabled Major 854D DIMM_E2 disabled Major 854E DIMM_E3 disabled Major 854F DIMM_F1 disabled Major

8550 DIMM_F2 disabled Major

8551 DIMM_F3 disabled Major

8552 DIMM_G1 disabled Major

8553 DIMM_G2 disabled Major

8554 DIMM_G3 disabled Major

8555 DIMM_H1 disabled Major

8556 DIMM_H2 disabled Major

8557 DIMM_H3 disabled Major

8558 DIMM_J1 disabled Major

8559 DIMM_J2 disabled Major

855A DIMM_J3 disabled Major 855B DIMM_K1 disabled Major 855C DIMM_K2 disabled Major 855D DIMM_K3 disabled Major 855E DIMM_L1 disabled Major 855F (Go to 85D0) DIMM_L2 disabled Major

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Error Code Error Message Response

8560 DIMM_A1 encountered a Serial Presence Detection (SPD) failure Major

8561 DIMM_A2 encountered a Serial Presence Detection (SPD) failure Major

8562 DIMM_A3 encountered a Serial Presence Detection (SPD) failure Major

8563 DIMM_B1 encountered a Serial Presence Detection (SPD) failure Major

8564 DIMM_B2 encountered a Serial Presence Detection (SPD) failure Major

8565 DIMM_B3 encountered a Serial Presence Detection (SPD) failure Major

8566 DIMM_C1 encountered a Serial Presence Detection (SPD) failure Major

8567 DIMM_C2 encountered a Serial Presence Detection (SPD) failure Major

8568 DIMM_C3 encountered a Serial Presence Detection (SPD) failure Major

8569 DIMM_D1 encountered a Serial Presence Detection (SPD) failure Major

856A DIMM_D2 encountered a Serial Presence Detection (SPD) failure Major 856B DIMM_D3 encountered a Serial Presence Detection (SPD) failure Major 856C DIMM_E1 encountered a Serial Presence Detection (SPD) failure Major 856D DIMM_E2 encountered a Serial Presence Detection (SPD) failure Major 856E DIMM_E3 encountered a Serial Presence Detection (SPD) failure Major 856F DIMM_F1 encountered a Serial Presence Detection (SPD) failure Major

8570 DIMM_F2 encountered a Serial Presence Detection (SPD) failure Major

8571 DIMM_F3 encountered a Serial Presence Detection (SPD) failure Major

8572 DIMM_G1 encountered a Serial Presence Detection (SPD) failure Major

8573 DIMM_G2 encountered a Serial Presence Detection (SPD) failure Major

8574 DIMM_G3 encountered a Serial Presence Detection (SPD) failure Major

8575 DIMM_H1 encountered a Serial Presence Detection (SPD) failure Major

8576 DIMM_H2 encountered a Serial Presence Detection (SPD) failure Major

8577 DIMM_H3 encountered a Serial Presence Detection (SPD) failure Major

8578 DIMM_J1 encountered a Serial Presence Detection (SPD) failure Major

8579 DIMM_J2 encountered a Serial Presence Detection (SPD) failure Major

857A DIMM_J3 encountered a Serial Presence Detection (SPD) failure Major 857B DIMM_K1 encountered a Serial Presence Detection (SPD) failure Major 857C DIMM_K2 encountered a Serial Presence Detection (SPD) failure Major 857D DIMM_K3 encountered a Serial Presence Detection (SPD) failure Major 857E DIMM_L1 encountered a Serial Presence Detection (SPD) failure Major 857F (Go to 85E0) DIMM_L2 encountered a Serial Presence Detection (SPD) failure Major 85C0 DIMM_L3 failed test/initialization Major 85C1 DIMM_M1 failed test/initialization Major 85C2 DIMM_M2 failed test/initialization Major 85C3 DIMM_M3 failed test/initialization Major 85C4 DIMM_N1 failed test/initialization Major 85C5 DIMM_N2 failed test/initialization Major 85C6 DIMM_N3 failed test/initialization Major 85C7 DIMM_P1 failed test/initialization Major 85C8 DIMM_P2 failed test/initialization Major 85C9 DIMM_P3 failed test/initialization Major 85CA DIMM_R1 failed test/initialization Major 85CB DIMM_R2 failed test/initialization Major

Intel® Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide Error Code Error Message Response 85CC DIMM_R3 failed test/initialization Major 85CD DIMM_T1 failed test/initialization Major 85CE DIMM_T2 failed test/initialization Major 85CF DIMM_T3 failed test/initialization Major 85D0 DIMM_L3 disabled Major 85D1 DIMM_M1 disabled Major 85D2 DIMM_M2 disabled Major 85D3 DIMM_M3 disabled Major 85D4 DIMM_N1 disabled Major 85D5 DIMM_N2 disabled Major 85D6 DIMM_N3 disabled Major 85D7 DIMM_P1 disabled Major 85D8 DIMM_P2 disabled Major 85D9 DIMM_P3 disabled Major 85DA DIMM_R1 disabled Major 85DB DIMM_R2 disabled Major 85DC DIMM_R3 disabled Major 85DD DIMM_T1 disabled Major 85DE DIMM_T2 disabled Major 85DF DIMM_T3 disabled Major 85E0 DIMM_L3 encountered a Serial Presence Detection (SPD) failure Major 85E1 DIMM_M1 encountered a Serial Presence Detection (SPD) failure Major 85E2 DIMM_M2 encountered a Serial Presence Detection (SPD) failure Major 85E3 DIMM_M3 encountered a Serial Presence Detection (SPD) failure Major 85E4 DIMM_N1 encountered a Serial Presence Detection (SPD) failure Major 85E5 DIMM_N2 encountered a Serial Presence Detection (SPD) failure Major 85E6 DIMM_N3 encountered a Serial Presence Detection (SPD) failure Major 85E7 DIMM_P1 encountered a Serial Presence Detection (SPD) failure Major 85E8 DIMM_P2 encountered a Serial Presence Detection (SPD) failure Major 85E9 DIMM_P3 encountered a Serial Presence Detection (SPD) failure Major 85EA DIMM_R1 encountered a Serial Presence Detection (SPD) failure Major 85EB DIMM_R2 encountered a Serial Presence Detection (SPD) failure Major 85EC DIMM_R3 encountered a Serial Presence Detection (SPD) failure Major 85ED DIMM_T1 encountered a Serial Presence Detection (SPD) failure Major 85EE DIMM_T2 encountered a Serial Presence Detection (SPD) failure Major 85EF DIMM_T3 encountered a Serial Presence Detection (SPD) failure Major

8604 POST Reclaim of non-critical NVRAM variables Minor

8605 BIOS Settings are corrupted Major

8606 NVRAM variable space was corrupted and has been reinitialized Major

Recovery boot has been initiated. Note: The Primary BIOS image may be corrupted or the system may hang during POST. A BIOS update is required. Fatal 92A3 Serial port component was not detected Major 92A9 Serial port component encountered a resource conflict error Major A000 TPM device not detected. Minor

Table 8. POST Error Beep Codes

1 USB device action N/A Short beep sounded whenever USB device is

3 Memory error Multiple System halted because a fatal error related to the

CPU family/core/cache mismatch was detected. The following Beep Codes are sounded during BIOS Recovery. 2 Recovery started N/A Recovery boot has been initiated. of beeps whose count is equal to the digit.

Table 9. Integrated BMC Beep Codes CPU1 must be populated before CPU2. more other PSUs in the system.