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2-28 Chapter 2: BIOS setup
2.4.6 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 field values can cause the system to malfunction.
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]
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
v02.58 (C)Copyright 1985-2004, 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.