USER MANUAL
CHAPTER 5
BIOS SETUP
- 69 -
BIOS Setting
Description
Setting
Option
Effect
Legacy USB
Support
User can enable or disable USB
port.
Disable
Will keep USB devices
available only for EFI
applications.
Enable
Enable all the USB
devices
USB 3.0
Support
User can enable or disable USB
3.0 (XHCI) controller support.
Enable
Enable USB 3.0 is
enable
Disable
USB 3.0 is disable
XHCI Hand‐
off
This is a workaround for OSs
without XHCI hand‐ off support.
Disable
Disables this function
Enable
Enables this function
EHCI Hand‐
off
This is a workaround for OSs
without ECHI hand‐ off support.
Disable
Disables this function
Enable
Enables this function
USB mass
storage
driver
support
User can Enable or disable USB
mass storage driver support.
Disable
Disables this function
Enable
Enables this function
USB Transfer
time‐ out
The time‐out value for control,
bulk, and interrupt transfers.
1 Sec
5 Sec
10 Sec
20 Sec
Depends on the time‐
out value
Device Reset
time‐ out
USB mass storage device start
unit command time‐ out.
10 Sec
20 Sec
30 Sec
40 Sec
Depends on the time‐
out value
Device
power‐up
delay
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
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Страница 86: ...USER MANUAL CHAPTER 6 MOUNTING 86 Dimensions ...
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