Biostar A880G Bios Setup Manual page 13

A880GU3Z/A880GZ UEFI BIOS Manual
Legacy USB Support
This item determines if the BIOS should provide legacy support for USB devices
like the keyboard, mouse, and USB drive. This is a useful feature when using such
USB devices with operating systems that do not natively support USB (e.g.
Microsoft DOS or Windows NT).
Options: Enabled (Default) / Disabled / Auto
EHCI Hand-Off
This is a workaround for OSes without EHCI hand-off support. The EHCI ownership
change should be claimed by EHCI driver.
Options: Disabled (Default) / Enabled
USB transfer time-out
This item sets the time-out value for Control, Bulk, and Interrupt transfers.
Options: 20 sec (Default) / 1 sec / 5 sec / 10 sec
Device reset time-out
This item sets USB mass storage device Start Unit command time-out.
Options: 20 sec (Default) / 10 sec / 30 sec / 40 sec
Device power-up delay
This item sets maximum time which the device will take before it properly reports
itself to the Host Controller.
Options: Auto (Default) / Manual
Device power-up delay in seconds
Delay range is 1 ~ 40 seconds, in one second incremens.
Options: 5 (Default)
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