Pcipnp - Asus M4A89TD PRO/USB3 User Manual

USB Support [Enabled]
[Enabled]
[Disabled]
The following items appear only when you set USB Support to [Enabled].
Legacy USB Support [Auto]
[Auto]
[Enabled]
[Disabled]
USB 2.0 Controller Mode [HiSpeed]
[FullSpeed]
[HiSpeed]
BIOS EHCI Hand-off [Enabled]
[Enabled]
[Disabled]
3.6.5

PCIPnP

The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.
Advanced PCI/PnP Settings
WARNING: Setting wrong values in below sections
may cause system to malfunction.
Plug And Play O/S
Plug And Play O/S [No]
[Yes]
[No]
3-26
Enables the USB Host Controllers.
Disables the controllers.
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.
Enables the support for USB devices on legacy operating systems (OS).
Disables the function.
Sets the USB 2.0 controller mode to FullSpeed (12 Mbps).
Sets the USB 2.0 controller mode to HiSpeed (480 Mbps).
Enables the support for operating systems without an EHCI hand-off feature.
Disables the function.
BIOS SETUP UTILITY
Advanced
[No]
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.
When set to [No], BIOS configures all the devices in the system.
Chapter 3: BIOS setup