Usb Configuration - Asus Z9NR-D12 User Manual

4.4.7
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.

USB Configuration

USB Devices:
1 Keyboard, 2 Mice, 3 Hubs
Legacy USB Support
EHCI Hand-off
USB hardware delays and time-outs
USB transfer time-out
Device reset time-out
USB Ports Configuration
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
Legacy USB Support [Enabled]
This item enables or disables Legacy USB device support.
Configuration options: [Enabled] [Disabled] [Auto]
EHCI Hand-off [Disabled]
This is a workaround for OSes without EHCI ownership change should be claimed
by EHCI driver.
Configuration options: [Disabled] [Enabled]
USB Hardware Delays and Time-outs
USB transfer time-out [20 sec]
This item sets the time-out value for control, bulk, and interrupt transfer.
Configuration options: [1 sec] [5 sec] [10 sec] [20 sec]
Device reset time-out [20 sec]
USB mass storage device Start Unit command time-out.
Configuration options: [10 sec] [20 sec] [30 sec] [40 sec]
4-26
USB Configuration
Advanced
Enabled Legacy USB support.
AUTO option disables legacy
support if no USB devices
are connected. DISABLE
option will keep USB devices
available only for EFI
[Enabled]
applications.
[Disabled]
[20 sec]
[20 sec]
→←: Select Screen
↑↓:
Enter: Select Item
+/-: Change Opt.
F1: General Help
F2: Previous Values
F5: Optimized Defaults
F10: Save & Exit
ESC: Exit
Select Item
Chapter 4: BIOS setup