SAS2208 BOARDCOM | Alldatasheet
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PCI Express to 8-Port 6Gb/s SAS/SATA ROC Product Brief A P P L I C A T I O N S n Direct attached ROC solution for entry to mid-range servers n SAS RAID host bus adapter n Cost effective, single chip solution for entry-level RAID storage systems. n Storage Processor for external storage applications (LSISAS2208SP) F E A T U R E S n High Performance IOP – Dual PowerPC 440 @ 800MHz – (2) 32KB L1 I/D caches – (2) 1MB L2 caches n Exclusive-OR hardware engine for RAID 5 n RAID 6 hardware acceleration n RAID Features – MegaRAID® support with activation key – RAID levels 0, 1, 5, 6 ,10, 50 and 60 – Integrated RAID – RAID levels 0, 1, 1E and 10 n DRAM back-up at power fail using USB n 6Gb/s SAS Interface – 8 port SAS/SATA ROC controller – Supports 1.5Gb/s, 3Gb/s, and 6Gb/s SAS and SATA data transfer rates – Spread spectrum clocking – Supports SSP , SMP , STP and SATA protocols – SAS and SATA device support – Supports narrow and wide ports – T-10 data protection – T-10 Optical support – SAS 2.1 power management Overview The LSISAS2208 is LSI’s third genera- tion Serial Attached SCSI (SAS) RAID- On-a-Chip (ROC) device based on five generations of ROC technology and the industry-leading Fusion-MPT™ (Mes- sage Passing Technology) architecture. The LSI SAS2208 integrates the latest enhancements in SAS and PCI Express technology. The LSISAS2208 supports 8 PCIe lanes and complies with the PCI Express 3.0 specification that extends the PCIe data rates up to 8.0 GT/s per lane, and is backwards compatible to the 5.0/2.5 GT/s data rate supported by PCIe 2.x., 1.x. It also incorporates enhancements such as Single Root I/O Virtualization (SR-IOV) with 16 virtual functions, End- to-End CRC (ECRC) with Advanced Error Reporting (AER) and the latest advance- ments in lane and polarity reversal, power management, hot plug support, and MSI/MSI-X and legacy interrupt generation. The eight-port ROC device provides SAS and SATA data transfer rates of 1.5, LSI offers the broadest SAS product portfolio in the industry with true end-to-end solutions — controllers, expanders, SAS to SATA bridge products, ROCs, host bus adapters, RAID solutions, and external storage. LSI’s proven SAS core has completed extensive stress and interoperability testing resulting in the industry’s most robust, interoperable solution. 3, and 6Gb/s per lane and automati- cally negotiates between the speeds. Enhanced features are supported such as T-10 Data Protection Model for early detection of and recovery from data corruption, Spread Spectrum- Clocking (SSC) for EMI reduction, and data encryption for the protection of confidential data as well as SAS 2.1 power management. The LSISAS2208 is available with encryption and without encryption. The LSISAS2208 ROC integrates a 72-bit, DDR3-1333 SDRAM interface, hard- ware acceleration engines for RAID 5 and RAID 6 parity calculations, and the high performance dual core, PowerPC
440 RISC processor that achieves 1600
Dhrystone MIPS (DMIPS) resulting in a cost-effective ROC ideal for entry and mid-range servers. Extending Its RAID And SAS Technology Leadership, LSI™ Introduces Its Fifth Generation RAID-On-a-Chip (ROC) LSISAS2208