Cyberresearch CPEX P4-24-X Uživatelský manuál stáhnout pdf (Strana 44)

CPEX Series CyberResearch

CPU Cards

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.

aWarning:

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.

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Cyberresearch CPEX P4-24-X Uživatelský manuál Strana 44