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Chapter 5: BIOS setup
5.4.4 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.
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.
Advanced PCI PnP settings
WARNING: Setting wrong values in the sections below
may cause system to malfunction.
Plug and Play OS [No]
PCI Latency Timer [64]
Allocate IRQ to PCI VGA [Yes]
Palette Snooping [Disabled]
PCI IDE BusMaster [Enabled]
IRQ3 [Available]
IRQ4 [Available]
IRQ5 [Available]
IRQ7 [Available]
IRQ9 [Available]
IRQ10 [Available]
IRQ11 [Available]
IRQ14 [Available]
IRQ15 [Available]
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 installed a Plug & Play operating system, the operating
system configures the Plug & 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]
Take caution when changing the settings of the PCI PnP menu items.
Incorrect field values may cause the system to malfunction.