Gigabyte R272-Z30, Service Manual

Page: 65 / 133

- 65 - BIOS Setup
5-2-9 USB Configuration
Parameter Description
USB Configuration
USB Controller Displays the supported USB controllers.
USB Devices: Displays the USB devices connected to the system.
Legacy USB Support
Enable/disable the Legacy USB support fuction. AUTO option disables
legacy support if no USB devices are connected. DISABLE option will
keep USB devices available only for EFI applications.
Options available: Auto/Enabled/Disabled. Default setting is
Enabled .
XHCI Hand-off
Enable/Disable the XHCI (USB 3.0) Hand-off support.
Options available: Enabled/Disabled. Default setting is
Enabled .
USB Mass Storage Driver
Support
(Note)
Enable/Disable the USB Mass Storage Driver Support.
Options available: Enabled/Disabled. Default setting is
Enabled .
Port 60/64 Emulation
Enables the I/O port 60h/64h emulation support. This should be enabled
for the complete USB Keyboard Legacy support for non-USB aware OS.
Options available: Enabled/Disabled. Default setting is
Enabled .
USB hardware delays and
time-outs
USB transfer time out
The time-out value for Control, Bulk, and Interrupt transfers.
Options available: 1 sec/5 sec/10 sec/20 sec. Default setting is
20 sec .
Device reset time out
USB mass storage device Start Unit command time-out.
Options available: 10 sec/20 sec/30 sec/40 sec. Default setting is
20 sec .
(Note) This item is present only if you attach USB devices.