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Intel X48 Series User's Manual
BIOS SETUP UTILITY
Main
USB Configuration
Enables support for
legacy USB. AUTO
option disables
legacy support if
no USB devices are
connected.
←
Select Screen
↑
↓
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
Module Version -2.24.2-13.4
USB Devices Enabled :
None
Legacy USB Support
USB 2.0 Controller Mode
BIOS EHCI Hand-Off
[Enabled]
[FullSpeed]
[Enabled]
v02.61 (C)Copyright 1985-2006, American Megatrends, Inc.
►
USB Device
•
Legacy USB Support
Enabled or Disabled Legacy USB option, and Auto option disables legacy support if no
USB devices are connected.
•
USB 2.0 Controller Mode
Allow you to selects the HiSpeed(480Mbps) or FullSpeed(12Mbps).
•
BIOS EHCI Hand-Off
This is a workaround for OSes without EHCI hand-off support. The EHCI ownership
change should claim by EHCI driver.
4.5.2 Control Keys
Press F1 to pop up a small help window that describes the appropriate keys to use and the
possible selections for the highlighted item.
Please check the following table for the function description of each control key.
Control Key(s)
Function Description
←
/
→
Move cursor left or right to select Screens
↑
/
↓
Move cursor up or down to select items
+/ -/PU/PD
To Change option for the selected items
<Enter>
To bring up the selected screen
<ESC>
Main Menu - Quit and not save changes into CMOS Status
Page Setup Menu and Option Page Setup Menu - Exit
current page and return to Main Menu
<F1>
General help
<F2/F3>
Change Colors
<F5>
Restore the previous CMOS value from CMOS, only for
Option Page Setup Menu
<F7>
Discard Changes
<F8>
Load Failsafe Defaults
<F9>
Load Optimal Defaults
<F10>
Save configuration changes and exit setup
