IBASE MI980 - Manual (Page 41)

BIOS SETUP
MI980 User’s Manual 37
USB Configuration
Aptio Setup Utility
Main Advanced Chipset Boot Security Save & Exit
USB Configuration
→ ←
Select Screen
↑↓ Select Item
Enter: Select
+- Change Field
F1: General Help
F2: Previous Values
F3: Optimized Default
F4: Save ESC: Exit
USB Devices:
2 Hubs
Legacy USB Support Enabled
USB3.0 Support Enabled
XHCI Hand-off Enabled
EHCI Hand-off Enabled
USB Mass Storage Driver Support Enabled
USB hardware delays and time-outs:
USB Transfer time-out 20 sec
Device reset tine-out 20 sec
Device power-up delay Auto
Legacy USB Support
Enables Legacy USB support.
AUTO option disables legacy support if no USB devices are connected.
DISABLE option will keep USB devices available only for EFI
applications.
USB3.0 Support
Enable/Disable USB3.0 (XHCI) Controller support.
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The
XHCI ownership change should be claimed by XHCI driver.
EHCI Hand-off
Enabled/Disabled. This is a workaround for OSes without EHCI hand-off
support. The EHCI ownership change should be claimed by EHCI driver.
USB Mass Storage Driver Support
Enable/Disable USB Mass Storage Driver Support.
USB Transfer time-out
The time-out value for Control, Bulk, and Interrupt transfers.