ASUS P5B Deluxe 4-25
4.4.7 PCI PnP
The PCI PnP 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 menu items. Incorrect
eld values can cause the system to malfunction.

Plug And Play O/S [No]

When set to [No], BIOS congures all the devices in the system. When set to
�Yes� and if you install a Plug and Play operating system, the operating system
congures the Plug and Play devices not required for boot.
Conguration 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. Conguration 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. Conguration options: [Yes] [No]

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. Conguration options: [Disabled] [Enabled]

IRQ-xx assigned to [PCI Device]

When set to [PCI Device], the specic IRQ is free for use of PCI/PnP devices.
When set to [Reserved], the IRQ is reserved for legacy ISA devices. Conguration
options: �PCI Device� �Reserved�
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
v02.58 (C)Copyright 1985-2006, American Megatrends, Inc.
BIOS SETUP UTILITY
Advanced
Advanced PCI/PnP Settings
WARNING: Setting wrong values in below sections
may cause system to malfunction.
Plug And Play O/S [No]
PCI Latency Timer [64]
Allocate IRQ to PCI VGA [Yes]
Palette Snooping [Disabled]
IRQ-3 assigned to [PCI Device]
IRQ-4 assigned to [PCI Device]
IRQ-5 assigned to [PCI Device]
IRQ-7 assigned to [PCI Device]
IRQ-9 assigned to [PCI Device]
IRQ-10 assigned to [PCI Device]
IRQ-11 assigned to [PCI Device]
IRQ-14 assigned to [PCI Device]
IRQ-15 assigned to [PCI Device]
NO: Lets the BIOS
configure all the
devices in the system.
YES: Lets the operating
system configure Plug
and Play (PnP) devices
not required for boot
if your system has a
Plug and Play operating
system.