Asus P4S800D-X - Manual (Page 48)

2-20 Chapter 2: BIOS information
2.4.6 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.
Select Screen
Select Item
+
Ch O ti
Module Version : 2.23.0-7.4
USB Devices Enabled : None
Legacy USB Support [Auto]
USB 2.0 Controller Mode [HiSpeed]
Stop EHCI HC in OHCI handover [Enabled]
USB Configuration
Enables USB host
controllers. OnBoard SiS USB1.1 DEVICE [Enabled]
OnBoard SiS USB2.0 DEVICE [Enabled]
PCI Latency Timer [64]
Allows you to select the value in units of PCI clocks for the PCI device latency
timer register. Configuration options: [32] [64] [96] [128] [160] [192] [224] [248]
Allocate IRQ to PCI VGA [Yes]
When set to [Yes], BIOS assigns an IRQ to PCI VGA card if the card requests for
an IRQ. When set to [No], BIOS does not assign an IRQ to the PCI VGA card even
if requested. Configuration options: [No] [Yes]
Pallete Snooping [Disabled]
When set to [Enabled], the pallete snooping feature informs the PCI devices that
an ISA graphics device is installed in the system so that the latter can function
correctly. Setting to [Disabled] deactivates this feature.
Configuration options: [Disabled] [Enabled]
PCI IDE BusMaster [Enabled]
Allows BIOS to use PCI bus mastering when reading/writing to IDE devices.
Configuration options: [Disabled] [Enabled]
IRQ xx [Available]
When set to [Available], the specific IRQ is free for use of PCI/PnP devices. When
set to [Reserved], the IRQ is reserved for legacy ISA devices.
Configuration options: [Available] [Reserved]
OnBoard SiS USB 1.1 Device [Enabled]
Allows you to enable or disable the onboard SiS USB 1.1 device.
Configuration options: [Disabled] [Enabled]