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Chapter 4: BIOS Setup
USB Configuration
This section is used to configure USB devices.
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Advanced
USB Configuration
USB Devices:
1 Keyboard, 1 Hub
Legacy USB Support
[Auto]
EHCI Hand-off
[Enabled]
Device reset time-out
[40 sec]
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
Legacy USB Support
Due to the limited space of the BIOS ROM, the support for legacy USB
keyboard (in DOS mode) is by default set to Disabled. With more BIOS
ROM space available, it will be able to support more advanced features
as well as provide compatibility to a wide variety of peripheral devices.
If a PS/2 keyboard is not available and you need to use a USB keyboard
to install Windows (installation is performed in DOS mode) or run any
program under DOS, set this field to Enabled.
Copyright © 2015 NEXCOM International Co., Ltd. All Rights Reserved.
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.
Device reset time-out
Selects the USB mass storage device's start unit command timeout.
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.
→←: 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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IPPC 1632P/2132P Series User Manual
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