Nexcom NSA 3150 User Manual page 60

Chapter 4: BIOS Setup
USB Configuration
This section is used to configure the USB.
Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc.
Advanced
USB Configuration
USB Module Version 8.10.27
USB Devices:
1 Keyboard, 2 Hubs
Legacy USB Support [Enabled]
EHCI Hand-off [Disabled]
USB Mass Storage Driver [Enabled]
USB hardware delays a
USB transfer time-out [20 sec]
Device reset time-out [20 sec]
Device power-up delay [Auto]
Version 2.15.1236. Copyright (C) 2012 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.
EHCI Hand-Off
This is a workaround for OSs that does not support EHCI hand-off. The EHCI
ownership change should be claimed by the EHCI driver.
USB Mass Storage Driver
Enables or disables USB mass storage device driver support.
Copyright © 2013 NEXCOM International Co., Ltd. All Rights Reserved.
USB Transfer Time-out
The time-out value for control, bulk, and Interrupt transfers.
Device Reset Time-out
Selects the USB mass storage device's start unit command timeout.
Enables Legacy USB support.
Device Power-up Delay
AUTO option disables legacy
Support if no USB devices are
Maximum time the value will take before it properly reports it self to the
connected. DISABLE option will
keep USB devices available
Host Controller. "Auto" uses default value: for a Root port it is 100 ms, for
only for EFI applications.
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 3150 User Manual