User manual

 Chapter 4: BIOS setup
4.4.5 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

devices.
Take caution when changing the settings of the PCI PnP menu items. Incorrect

Plug and Play O/S [No]
When set to [No]
[Yes] and if you install a Plug and Play operating system, the operating system


PCI Latency Timer [64]
Allows you to select the value in units of PCI clocks for the PCI device latency

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
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Palette Snooping [Disabled]
When set to [Enabled], the palete snooping feature informs the PCI devices that
an ISA graphics device is installed in the system so that the latter can function

Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
v02.61 (C)Copyright 1985-2008, 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 [PCI Device]
IRQ-4 [PCI Device]
IRQ-5 [PCI Device]
IRQ-7 [PCI Device]
IRQ-9 [PCI Device]
IRQ-10 [PCI Device]
IRQ-11 [PCI Device]
IRQ-14 [PCI Device]
IRQ-15 [PCI Device]
No: lets the BIOS
congure all the
devices in the
system.
Yes: lets the
operating system
congure Plug and
Play (PnP) devices
not required for
boot if your system
has a Plug and Play
operating system.