User Manual

4-16 Chapter 4: BIOS Setup
4.5 PCI PnP menu
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 enabling or
disabling the PCI device option ROM for shadow memory.
4.5.1 Plug & 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]
4.5.2 PCI Latency Timer [64]
This item 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]
4.5.3 Pallete Snooping [Enabled]
When set to [Enabled], the pallete snooping feature informs the PCI
devices that an ISA graphics device is installed in the system so that the
latter can function correctly. Setting to [Disabled] deactivates this feature.
configuration options: [Disabled] [Enabled]
Take caution when changing the settings of the PCI PnP menu items.
Incorrect field values may cause the system to malfunction.