CPEX Series

CyberResearch® CPU Cards

3.8PCI 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.

Warning:

¾Don’t do any change to the PCIPnP setting, unless you understand the impact thoroughly.

¾Setting wrong values may cause system to malfunction.

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.

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