Nexcom NSA 3190A User Manual page 64

Chapter 4: BIOS Setup
USB Configuration
This section is used to configure the USB.
Aptio Setup Utility - Copyright (C) 2020 American Megatrends, Inc.
Advanced
USB Configuration
USB Module Version 24
USB Controllers:
1 XHCI
USB Devices:
1 Keyboard, 1 Hub
Legacy USB Support [Enabled]
XHCI Hand-off [Enabled]
USB Mass Storage Driver Support [Enabled]
USB hardware delays and time-outs:
USB transfer time-out [20 sec]
Device reset time-out [20 sec]
[Auto]
Device power-up delay
Version 2.21.1278. Copyright (C) 2020 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 © 2020 NEXCOM International Co., Ltd. All Rights Reserved.
USB Mass Storage Driver Support
Enables or disables USB mass storage device driver support.
USB transfer time-out
The time-out value for control, bulk, and Interrupt transfers.
Enables Legacy USB support.
Device reset time-out
AUTO option disables legacy
support if no USB devices are
Selects the USB mass storage device's start unit command timeout.
connected. DISABLE option will
keep USB devices available
only for EFI applications.
Device power-up delay
Maximum time the value 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.
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
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NSA 3190A User Manual