Specifications

ROG Crosshair IV Formula 3-27
USB 2.0 Controller Mode [HiSpeed]
[FullSpeed] Set the USB 2.0 controller mode to FullSpeed (12 Mbps).
[HiSpeed] Set the USB 2.0 controller mode to HiSpeed (480 Mbps).
The USB 2.0 Controller Mode item appears only when you enable the USB
2.0 Controller.
BIOS EHCI Hand-off [Enabled]
[Enabled] Enables the support for operating systems without an EHCI
hand-off feature.
[Disabled] Disables the function.
3.5.5 PCIPnP
The PCI PnP menu items allow you to change the advanced settings for PCI/PnP
devices.
Plug And Play O/S [No]
[Yes] When set to [Yes] and if you install a Plug and Play operating
system, the operating system congures the Plug and Play devices
not required for boot.
[No] When set to [No], BIOS congures all the devices in the system.
Advanced PCI/PnP Settings
WARNING: Setting wrong values in below sections
may cause system to malfunction.
Plug And Play O/S [No]
Crosshair IV Formula BIOS Setup
Advanced
3.5.6 LED Control
Crosshair IV Formula BIOS Setup
Advanced
LED Control
All LED Control [Enabled]
POST State LEDs [Enabled]
Voltiminder LED [Enabled]
CPU LED Selection [CPU]
NB LED Selection [NB]
SB LED Selection [SB]
DDR LED Selection [DRAM]
All LED Control [Enabled]
Allows you to enable or disable the onboard LEDs control.
Conguration options: [Enabled] [Disabled]
The following items appear only when you set All LED Control to [Enabled].