1. System BIOS
Express5800/R120f-2E, T120f Maintenance Guide
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Chapter 2 Useful Features
(6)
USB Configuration submenu
From the
Advanced
menu, select
USB Configuration
and then press the <Enter> key to display the menu
screen shown below.
For details about the options, see the table below.
Option
Parameter
Description
Device Reset Timeout
10 sec
[20 sec]
30 sec
40 sec
Specify the timeout period when the Start Unit
command is issued to a USB device.
Controller Timeout
1 sec
5 sec
10 sec
[20 sec]
Specify the timeout period when the Control,
Bulk, or Interrupt Transfer command is issued
to the USB Controller.
XHCI Mode
Smart Auto
[Auto]
Enabled
Disabled
Specify the operation mode of the USB 3.0
controller.
Smart Auto:
Takes over the USB 3.0 settings
at POST according to the supported OS.
Auto:
Enables USB 3.0 after the OS that
supports USB 3.0 is started.
Enabled:
Enables USB3.0.
Disabled:
Disables USB3.0.
XHCI Hand-off
Disabled
[Enabled]
Enable or disable the XHCI hand-off feature.
[ ]: Factory setting
