MITX-DNV0 Series - User Guide, Rev. 1.2
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Figure 41: BIOS Advanced Menu - USB Configuration
BIOS SETUP UTILITY
Main Advanced Power Boot Security Save & Exit
USB Configuration
USB Devices:
→ ←: Select Screen
1 Keyboard, 2 Mice, 2 Hubs
↑ ↓: Select Item
Enter: Select
Legacy USB Support [Enabled] +/-: Change Opt.
xHCI Hand-off [Enabled] F1: General Help
USB Mass Storage Driver Support [Enabled] F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Version 2.19.1266. Copyright (C) 2018, American Megatrends, Inc.
Feature Option Description
Legacy USB Support [Enabled], [Disabled],
[Auto]
Select whether to enable or disable Legacy USB support.
AUTO option disables legacy support if no USB devices are
connected.
XHCI Hand-off [Enabled], [Disabled] Select whether to enable or disable XHCI Hand-off function.
This is a workaround for OSes without XHCI hand-off support.
The XHCI ownership change should be claimed by XHCI driver.
USB Mass Storage
Driver Support
[Disabled], [Enabled] Select whether to enable or disable USB Mass Storage Driver
Support.
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