User Manual

Table Of Contents
5-18
Chapter 5: BIOS Setup
5.4.10 USB Configuration
Legacy USB Support [Enabled]
Allows you to enable or disable Legacy USB device support.
[Enabled] Enables legacy USB support.
[Disabled] Keep USB devices available only for EFI applications.
[Auto] Disables legacy support if no USB devices are connected.
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]
Mass Storage Devices:
Allows you to select the mass storage device emulation type for devices connected.
[Auto]
enumerates devices according to their media format. Optical drives are emulated as
[CD-
ROM]
, drives with no media will be emulated according to a drive type.
Configuration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CD-ROM]