Chapter 4: BIOS
4-9
PCI/PnP Confi guration
Clear NVRAM
Select Yes to clear NVRAM during boot-up. The options are Yes and No.
Plug & Play OS
Select Yes to allow the OS to confi gure Plug & Play devices. (This is not required
for system boot if your system has an OS that supports Plug & Play.) Select No
to allow AMIBIOS to confi gure all devices in the system.
PCI Latency Timer
This option sets the latency of all PCI devices on the PCI bus. Select a value to
set the PCI latency in PCI clock cycles. Options are 32, 64, 96, 128, 160, 192,
224 and 248.
Allocate IRQ to PCI VGA
Set this value to allow or restrict the system from giving the VGA adapter card an
interrupt address. The options are Yes and No.
Palette Snooping
Select "Enabled" to inform the PCI devices that an ISA graphics device is installed
in the system in order for the graphics card to function properly. The options are
Enabled and Disabled.
PCI IDE BusMaster
Set this value to allow or prevent the use of PCI IDE busmastering. Select "Enabled"
to allow AMI BIOS to use PCI busmaster for reading and writing to IDE drives. The
options are Disabled and Enabled.
Offboard PCI/ISA IDE Card
This option allows the user to assign a PCI slot number to an Off-board PCI/ISA
IDE card in order for it to function properly. The options are Auto, PCI Slot1, PCI
Slot2, PCI Slot3, PCI Slot4, PCI Slot5, and PCI Slot6.
ATA(PI) 80Pin Cable Detection
This setting allows AMI BIOS to auto-detect the 80-Pin ATA(PI) cable. The options
are Host, Device and Host & Device.