TYAN S8005 User Manual page 58

3.3.11 USB Configuration
Legacy USB Support
Enables support for legacy USB. AUTO option disables legacy support if no USB
devices are connected.
Disabled / Enabled / Auto
USB 2.0 Controller Mode
Configure the USB 2.0 controller in Hi Speed (480 Mbps) or Full Speed (12Mbps).
Hi Speed / Full Speed
BIOS EHCI Hand-OFF
This is a work around for OSes without EHCI hand-off support. The EHCI
ownership change should claim by EHCI driver.
Enabled / Disabled
Legacy USB1.1 HC Support
Enables support for legacy USB. AUTO option disables legacy support if no USB
devices are connected.
Enabled / Disabled
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