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Chapter 4: BIOS setup
4.5.4
USB Configuration
The items in this menu allows you to change the USB-related features. Select an
item then press <Enter> to display the configuration options.
The
USB Devices Enabled
item shows the auto-detected values. If no USB
device is detected, the item shows None.
USB Functions [Enabled]
Allows you to enable or disable the USB functions. The following sub-items appear
when this item is set to [Enabled]. Configuration options: [Disabled] [Enabled]
The following items appear only when you set
USB Functions
to [Enabled].
USB 2.0 Controller [Enabled]
Allows you to enable or disable the USB 2.0 controller.
Configuration options: [Enabled] [Disabled]
USB 2.0 Controller Mode [HiSpeed]
Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or
FullSpeed (12 Mbps). Configuration options: [FullSpeed] [HiSpeed]
The
USB 2.0 Controller Mode
item appears only when you enable the
USB
2.0 Controller
.
BIOS EHCI Hand-off [Enabled]
Allows you to enable the support for operating systems without an EHCI hand-off
feature. Configuration options: [Disabled] [Enabled]
Port 64/60 Emulation [Disabled]
Allows you to enable or disable the I/O port 60h/64h emulation support. This item
should be enabled for the complete USB keyboard legacy support for non-USB
aware OSes.
Configuration options: [Disabled] [Enabled]
USB Configuration
USB Devices Enabled:
None
USB Functions
[Enabled]
USB 2.0 Controller
[Enabled]
USB 2.0 Controller Mode
[HiSpeed]
BIOS EHCI Hand-off
[Enabled]
Port 64/60 Emulation
[Disabled]
Legacy USB Support
[Auto]
Options
Enabled
Disabled
BIOS SETUP UTILITY
Advanced
Summary of Contents for PCI/E-P54NP4
Page 1: ...Motherboard Rampage Formula ...
Page 14: ...xiv ...
Page 114: ...4 44 Chapter 4 BIOS setup ...