CyberResearch CPEX P4-24-X - Manual (Page 44)

CPEX Series CyberResearch
®
CPU Cards
32 ©Copyright 2005 CyberResearch, Inc.
3.8 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 memory size block for
legacy ISA devices.
Clear NVRAM [NO]
Clear NVRAM during system boot.
Plug & Play O/S [NO]
This menu is to configure whether or not the Operating System installed is Plug &
Play aware. AMIBIOS detects and enables PnP card, which is required for system
boot. Select [No] if the Operating System (like OS/2, DOS) does not support PnP.
Configuration options: [No] [Yes]
PCI Latency Timer [64]
This menu 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 device can function
correctly. Setting to [Disabled] deactivates this feature.
a
Warning:
¾ Don’t do any change to the PCIPnP setting, unless you understand the
impact thoroughly.
¾ Setting wrong values may cause system to malfunction.