User`s manual
Table Of Contents
- Copyright
- Trademarks
- FCC and DOC Statement on Class B
- Table of Contents
- About this Manual
- Warranty
- Static Electricity Precautions
- Safety Measures
- About the Package
- Before Using the System Board
- Chapter 1 - Introduction
- Chapter 2 - Hardware Installation
- Chapter 3 - BIOS Setup
- Chapter 4 - Supported Software
- Appendix A - NLITE and AHCI Installatoin Guide
- Appendix B - Watchdog Timer
- Appendix C - System Error Message
- Appendix D - Troubleshooting

76
3
BIOS Setup
USB Configuration
This section is used to congure USB devices.
BIOS SETUP UTILITY
v02.61 (C)Copyright 1985-2006, American Megatrends, Inc.
← → Select Screen
↑↓ Select Item
+
-
Change Option
F1 General Help
F10 Save and Exit
ESC Exit
USB Conguration
Module Version - 2.24.5-14.4
USB Devices Enabled :
None
Legacy USB Support
USB 2.0 Controller Mode
BIOS EHCI Hand-Off
Advanced
[Enabled]
[HiSpeed]
[Enabled]
Legacy USB Support
Enabled
Enables Legacy USB.
Auto
Disables support for Legacy when no USB devices are connected.
Disabled
Keeps USB devices available only for EFI applications.
USB 2.0 Controller Mode
Configures the USB 2.0 controller in HiSpeed (480Mbps) or FullSpeed
(12Mbps).
BIOS EHCI Hand-Off
This is a workaround for OSes that does not support EHCI hand-off. The EHCI
ownership change should be claimed by the EHCI driver.
Enables support for
legacy USB. AUTO
option disables
legacy support if
no USB devices are
connected.