User's Manual

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.