Owner's manual
Chapter 2: BIOS setup 2-17
2.4.5 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 PCI/PnP or legacy ISA
devices, and setting the memory size block for legacy ISA devices.
Be cautious 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 congures all the devices in the system. When set to [Yes] and if
you install a Plug and Play operating system, the operating system congures the Plug and
Play devices not required for boot. Conguration 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.
Conguration 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.
Conguration 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.
Conguration options: [Disabled] [Enabled]
IRQ-xx assigned to [PCI Device]
When set to [PCI Device], the specic IRQ is free for use of PCI/PnP devices. When set to
[Reserved], the IRQ is reserved for legacy ISA devices.
Conguration options: [PCI Device] [Reserved]