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Feature Options Description
applications and setup.
XHCI Hand-off Enabled
Disabled
This is a workaround for OSes without XHCI hand-off support. The
XHCI ownership change should be claimed by the XHCI OS 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 the EHCI OS driver.
USB Mass Storage Driver Support Enabled
Disabled
Enable/Disable USB mass storage driver support.
Chipset USB Configuration Submenu
USB hardware delays and time-outs: Info only
USB transfer time-out 1 sec
5 sec
10 sec
20 sec
The time-out value for control, bulk, and interrupt transfers
Device reset time-out 10 sec
20 sec
30 sec
40 sec
USB mass storage device Start Unit command time-out.
Device power-up delay Auto
Manual
Maximum time the device will take before it properly reports itself to
the Host Controller. 'Auto' uses default value: for a Root port it is 100
ms, for a Hub port the delay is taken from Hub descriptor.
Mass Storage Devices Info only List current USB mass storage devices.
7.3.5.1. USB > Chipset USB Configuration
Feature Options Description
USB Configuration Info only
XHCI Mode Enabled
Disabled
Auto
Smart Auto
Mode of operation of xHCI controller.
USB 2.0 (EHCI) Support Enabled
Disabled
Control the USB EHCI (USB 2.0) functions. One EHCI controller
must always be enabled.
USB Per Port Control Enabled
Disabled
Control each of the USB ports (0~3). Enable: Enable USB per
port; Disable: Use USB port x settings.
USB Port #0~3 Enabled
Disabled
Enable/Disable USB port 0-3.
7.3.6. Network
Feature Options Description
Network Info only
Network Stack Enabled
Disabled
Enable/Disable UEFI network stack.
LAN Controller Enabled
Disabled
Enable/Disable LAN controller.
Wake on LAN Disable
Enabled
If Enabled: LAN_PWR is always on; If Disabled: LAN_PWR is off
after entering Suspend mode.
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