Summary
USB KVM Controller Technical Reference Manual
Description
AU9223 is a highly integrated single chip USB KVM controller offering users the possibility of sharing keyboard, mouse and monitor between two PC. Not like traditional PS2 KVM devices, AU9223 uses USB as its upstream and downstream interface to support its driver-free and plug-n-play features, which allow users to easily install and use the KVM.
Source title
AU9223 Datasheet(PDF) - List of Unclassifed Manufacturers