RX370Q User’s Manual
64
2.2.11 USB Configuration
Main
Advanced
Chipset
Security
Boot
Save & Exit
USB Configuration
Item help
USB Module Version
21
USB Controllers:
1 XHCI
USB Devices:
1 Keyboard, 1Mouse, 2 Hubs
Legacy USB Support
[Enabled]
→←: Select Screen
XHCI Hand-off
[Enabled]
↑↓: Select Item
USB Mass Storage Driver Support
[Enabled]
Enter: Select
+/- : Change Opt
USB hardware delays and time-outs:
F1: General Help
USB transfer time-out
[20 sec]
F2: Previous Values
Device reset time-out
[20 sec]
F3: Optimized Defaults
Device power-up delay
[Auto]
F4: Save & Reset
ESC: Exit
Version 2.20.1271. Copyright (C) 2018 American Megatrends, Inc.
Field Name
Legacy USB Support
Default Value
[Enabled]
Possible Value
Disabled
Enabled
Help
Enables Legacy USB support. AUTO option disables legacy support if no USB
devices are connected. DISABLE option will keep USB devices available only for
EFI applications.
Field Name
EHCI Hand-off
Default Value
[Enabled]
Possible Value
Disabled
Enabled
Help
This is a workaround for OSes without XHCI hand-off support. The XHCI
ownership change should be claimed by XHCI driver.
Field Name
USB Mass Storage Driver Support
Default Value
[Enabled]
Possible Value
Disabled
Enabled
Help
Enable/Disable USB Mass Storage Driver Support.
Field Name
USB transfer time-out
Default Value
[20 sec]
Possible Value
1 sec