Nexcom DNA 130 User Manual page 54

Chapter 4: BIOS Setup
USB Configuration
This section is used to configure the USB.
Aptio Setup Utility - Copyright (C) 2018 American Megatrends, Inc.
Advanced
USB Configuration
USB Module Version 17
USB Controllers:
1 XHCI
USB Devices:
None
Legacy USB Support [Enabled]
XHCI Hand-off [Enabled]
USB Mass Storage Driver [Enabled]
Port 60/64 Emulation [Enabled]
USB hardware delays a
USB transfer time-out [20 sec]
Device reset time-out [20 sec]
Device power-up delay [Auto]
Version 2.18.1263. Copyright (C) 2018 American Megatrends, Inc.
Legacy USB Support
Enable Enables Legacy USB.
Auto Disables support for Legacy when no USB devices are connected.
Disable Keeps USB devices available only for EFI applications.
XHCI Hand-Off
This is a workaround for OSs that does not support XHCI hand-off. The
XHCI ownership change should be claimed by the XHCI driver.
Copyright © 2018 NEXCOM International Co., Ltd. All Rights Reserved.
USB Mass Storage Driver
Enables or disables USB mass storage driver support.
Port 60/64 Emulation
Enables the 60h/64h I/O port emulation. You must enable this to fully
support USB keyboard legacy for non-USB OSes.
Enables Legacy USB support.
AUTO option disables legacy
Support if no USB devices are
USB Transfer Time-out
connected. DISABLE option will
keep USB devices available
The time-out value for control, bulk, and Interrupt transfers.
only for EFI applications.
Device Reset Time-out
Selects the USB mass storage device's start unit command timeout.
Device Power-up Delay
→←: Select Screen
Maximum time the value will take before it properly reports itself to the Host
↑↓: Select Item
Enter: Select
Controller. "Auto" uses default value: for a Root port it is 100 ms, for a Hub
+/-: Change Opt.
F1: General Help
port the delay is taken from Hub descriptor.
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
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DNA 130 User Manual