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5 pci pnp, Usb 2.0 controller mode [hispeed, Bios ehci hand-off [enabled – Asus P5E64 WS Professional User Manual

Page 97: Port 64/60 emulation [disabled, Legacy usb support [auto, Plug and play o/s [no

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ASUS P5E64 WS Professional

4-29

USB 2.0 Controller Mode [HiSpeed]

Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or

FullSpeed (12 Mbps). This item appears only when you enable the USB 2.0

Controller item. Configuration options: [FullSpeed ] [HiSpeed ]

BIOS EHCI Hand-off [Enabled]

Allows you to enable 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]

Legacy USB Support [Auto]

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. Configuration options: [Disabled] [Enabled] [Auto]

4.5.5

PCI PnP

The PCI PnP menu items allow you to change the advanced settings for PCI/PnP

devices.

Take caution when changing the settings of the PCI PnP menu items. Incorrect

field values can cause the system to malfunction.

Plug And Play O/S [No]

When set to [No], BIOS configures all the devices in the system. When set to

[Yes] and if you install a Plug and Play operating system, the operating system

configures the Plug and Play devices not required for boot.

Configuration options: [No] [Yes]

Advanced PCI/PnP Settings

WARNING: Setting wrong values in below sections

may cause system to malfunction.

Plug And Play O/S

[No]

NO: lets the BIOS

configure all the

devices in the system.

YES: lets the

operating system

configure Plug and

Play (PnP) devices not

required for boot if

your system has a Plug

and Play operating

system.

BIOS SETUP UTILITY

Advanced