5.4.5PCIPnP

The PCIPnP menu items allow you to change the advanced settings for PCI/PnP devices. The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for legacy ISA devices.

Take caution when changing the settings of the PCI/PnP Configuration menu items. Incorrect field values can cause the system to malfunction.

BIOS SETUP UTILITY

Advanced

 

Advanced PCI/PnP Settings

 

 

NO: lets the BIOS

 

 

 

 

configure all the

 

WARNING: Setting wrong values in below sections

 

devices in the

 

may cause system to malfunction.

 

system. YES: lets

 

 

 

 

 

 

 

 

the operating system

 

Plug & Play O/S

[No]

configure Plug and

 

PCI Latency Timer

[64]

 

Play (PnP) devices not

 

Allocate IRQ to PCI VGA

[Yes]

required for boot if

 

Palette Snooping

[Disabled]

your system has a Plug

 

 

 

 

and Play operating

 

 

 

 

system.

 

 

 

 

←→

Select Screen

 

 

 

 

↑↓

Select Item

 

 

 

 

+-

Change Option

 

 

 

 

F1

General Help

 

 

 

 

F10

Save and Exit

 

 

 

 

ESC

Exit

 

 

 

 

 

 

v02.61 (C)Copyright 1985-2008, American Megatrends, Inc.

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: [Yes] [No]

Palette 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. Configuration options: [Disabled] [Enabled]

5-22

Chapter 5: BIOS setup