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4-28 Chapter 4: BIOS setup
The
USB Devices Enabled
item shows the auto-detected values. If no USB
device is detected, the item shows
None
.
Legacy USB Support [Enabled]
Allows you to enable or disable support for legacy USB devices. Setting to [Auto]
allows the system to detect the presence of USB devices at startup. If detected, the
USB controller legacy mode is enabled. If no USB device is detected, the legacy
USB support is disabled. Conguration options: [Disabled] [Enabled] [Auto]
USB 2.0 Controller Mode [HiSpeed]
Allows you to set the USB 2.0 controller to HiSpeed (480Mbps) or FullSpeed
(12Mbps). Conguration options: [FullSpeed] [HiSpeed]
BIOS EHCI Hand-Off [Enabled]
Enables or disables the BIOS EHCI hand-off support.
Conguration options: [Disabled] [Enabled]
The following item appears only when you set
Legacy USB Support
to
[Enabled] and [Auto].
Legacy USB1.1 HC Support [Enabled]
This item appears only when you set Legacy USB Support to [Enabled], and allows
you to congure the Legacy USB1.1 HC support.
Conguration options: [Disabled] [Enabled]
4.4.4 USB Conguration
v02.61 (C)Copyright 1985-2010, American Megatrends, Inc.
BIOS SETUP UTILITY
Advanced
USB Conguration
Module Version - 2.24.5-13.4
USB Devices Enabled :
None
Legacy USB Support [Enabled]
USB 2.0 Controller Mode [HiSpeed]
BIOS EHCI Hand-Off [Enabled]
Legacy USB1.1 HC Support [Enabled]
←→ Select Screen
↑↓ Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
Enables support for
legacy USB. AUTO
option disables
legacy support if
no USB devices are
connected.