Asus P5W64 WS PRO Motherboard Installation Guide - Page 100

USB 2.0 Controller Mode [HiSpeed], BIOS EHCI Hand-off [Enabled], Port 64/60 Emulation [Disabled],

Page 100 highlights

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. BIOS SETUP UTILITY Advanced 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. 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] 4-30 Chapter 4: BIOS setup

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4-30
Chapter 4: BIOS setup
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