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4-28 Chapter 4: BIOS setup
4.4.9 USB Conguration
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
applications.
USB Conguration
USB Devices:
3Drivers, 1Keyboard, 1 Mouse, 3 Hubs
Legacy USB Support [Enabled]
EHCI Hand-off [Disabled]
USB hardware delays and time-outs
USB transfer time-out [20 sec]
Device reset time-out [20 sec]
USB Ports Conguration
→←: Select Screen
↑↓: Select Item
Enter: Select Item
+/-: Change Opt.
F1: General Help
F2: Previous Values
F5: Optimized Defaults
F10: Save & Exit
ESC: Exit
Legacy USB Support [Enabled]
Allows you to enable or disable Legacy USB device support.
Conguration options: [Enabled] [Disabled] [Auto]
EHCI Hand-off [Disabled]
This is a workaround for 0ses without EHCI. Ownership change should be claimed
by EHCI driver.
Conguration options: [Disabled] [Enabled]
USB hardware delays and time-outs
USB transfer time-out [20 sec]
The time-out value for control, bulk, and interrupt transfer.
Conguration options: [1 sec] [5 sec] [10 sec] [20 sec]
Device reset time-out [20 sec]
USB mass storage device start unit command time-out.
Conguration options: [10 sec] [20 sec] [30 sec] [40 sec]
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
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Version 2.15.1219. Copyright (C) 2011 American Megatrends, Inc.