Asus P5GC - Manual (Page 85)

ASUS P5GC 4-27
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].
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].
Palette.Snooping.[Disabled]
When set to [Enabled], the palette snooping feature informs the PCI devices that
an ISA graphics device is installed in the system so that the latter can function
correctly. Configuration options: [Disabled] [Enabled].
IRQ-xx.assigned.to.[PCI.Device]
When set to [PCI Device], 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: [PCI Device] [Reserved]