Copyright © 2021 NEXCOM International Co., Ltd. All Rights Reserved.
54
NViS 1482 Series User Manual
Chapter 4: BIOS Setup
Legacy USB Support
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 OSes without XHCI hand-off support. The XHCI
ownership change should be claimed by XHCI driver.
USB Mass Storage Driver Support
Enables or disables USB Mass Storage Driver Support.
USB Transfer Time-out
The time-out value for control, bulk, and interrupt transfers.
Device Reset Time-Out
Selects the USB mass storage device start unit command time-out.
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 100ms, for a
Hub port the delay is taken from Hub descriptor.
Advanced
Version 2.21.1278. Copyright (C) 2021 AMI
Aptio Setup - AMI
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
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.
USB Configuration
USB Devices:
3 Keyboards, 1 Mouse
Legacy USB Support
XHCI Hand-off
USB Mass Storage Driver Support
USB hardware delays and time-outs:
USB transfer time-out
Device reset time-out
Device power-up delay
[Enabled]
[Enabled]
[Enabled]
[20 sec]
[20 sec]
[Auto]
USB Configuration
This section is used to configure USB parameters.
