Alcor AU9228, Справочное руководство

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AU9228 USB KVM Controller V1.01W
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1. Introduction
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AU9228 is a highly integrated single chip USB KVM controller offering users the
possibility of sharing keyboard, mouse and monitor among up to four PCs. Not like
traditional PS2 KVM devices, AU9228 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.
Typical application of AU9228 is under an environment, in which only one set of
monitor, keyboard and mouse is available. Applying such kind of devices in a
computing environment will not only result in a centralized control, but also reduce the
power and space consumption.
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Fully USB v1.1 specification compliant
Support USB bus power and device self power
Support up to 4 PCs via 4 USB upstream ports
Support USB downstream port 1 for USB keyboard
Support USB downstream port 2 for USB mouse
Support PS2 keyboard
Support both “panel button” and “hot key” to switch among PCs
Support “auto-scan” mode for users to monitor PCs easily
Support audio beep when system switches
Support upstream port selected LED indicators for each PC respectively
Support phantom keyboard to let user does not need to configure BIOS to turn
on “No halt on error”
Support 4 different sets of key sequence to switch among PCs (Please see the
key definition in the following)
Recalls “Caps Lock”, “Num Lock” and “Scroll Lock” keys’ status for each PC
automatically
Output the monitor selection signals to the external video-switching circuits
Support 8-bit MCU interface to provide control from external MCU
Support serial MCU interface to provide control from external MCU
No need to install device driver under Windows, Macintosh, Linux, FreeBSD
and Sun system