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BIOS Setup
MS-S0131
3-11
BIOS Setup
MS-S0131
USB Configuration
Legacy USB Support
Set to [Enabled] if you need to use any USB 1.1/2.0 device in the operating
system that does not support or have any USB 1.1/2.0 drver nstalled, such
as DOS and SCO Unix. Set to [Disabled] only if you want to use any USB
devce other than the USB mouse.
EHCI Hand-off
Ths settng allows you to enable or dsable a workaround for operatng sys-
tems wthout EHCI (Enhanced Host Controller Interface) hand-off support.
The Enhanced Host Controller Interface (EHCI) specification describes the
regster-level nterface for a Host Controller for the Unversal Seral Bus (USB)
Revson 2.0.
Port 60/64 Emulation
This field allows you to enable/disable the USB Port 64/60 Emulation function.
When the functon s enabled, the USB keyboard s allowed to type some
specal combnaton keys.
USB Transfer Time-out, Device Reset Time-out, Device Power-up De-
lay
These settngs control USB hardware delay and tme-out.
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