User Manual

Table Of Contents
5-20
Chapter 5: BIOS Setup
OnBrd/Ext VGA Select [Auto]
This allows you to select between onboard or external VGA support.
Configuration options: [Auto] [Onboard] [External]
PCIE OPROM Slot Options
5.5.8 USB Configuration
Legacy USB Support [Enabled]
Allows you to enable or disable Legacy USB device support.
Configuration options: [Enabled] [Disabled] [Auto]
XHCI Hand-off [Enabled]
Allows you to enable or disable workaround for OSes without XHCI hand-off support. The
XHCI ownership change should be claimed by XHCI driver.
Configuration options: [Enabled] [Disabled]
USB Mass Storage Driver Support [Enabled]
Allows you to enable or disable the USB Mass Storage driver support.
Configuration options: [Disabled] [Enabled]
Port 60/64 Emulation [Enabled]
Allows you to enable or disable I/O port 60h/64h emulation support. This should be enabled
for the complete keyboard legacy support for non-USB aware OSes.
Configuration options: [Disabled] [Enabled]
USB hardware delays and time-outs
USB transfer time-out [20 sec]
Allows you to select time-out value for Control, Bulk, and Interrupt transfers.
Configuration options: [1 sec] [5 sec] [10 sec] [20 sec]