Asus SP98-XV User Manual download pdf (Page 55)

ASUS SP98-N User’s Manual 55

4. BIOS SETUP

Power Management

PnP and PCI

4. BIOS SETUP

4.7 PNP and PCI Setup

PNP and PCI Setup configures the PCI bus slots. All PCI bus slots on the system

use INTA#, thus all installed PCI cards must be set to this value.

NOTE: SETUP Defaults are noted in parenthesis next to each function heading.

4.7.1 Details of PNP and PCI Setup

PNP OS Installed (No)

When Plug and Play operating systems (OS) are installed, interrupts may be reas-

signed by the OS when Yes is selected. When a non-Plug and Play OS is installed or

to prevent reassigning of interrupt settings, select No.

Slot 1 IRQ/Slot 2 IRQ/Slot 3 IRQ/Slot 4 IRQ (Auto)

These fields set how IRQ use is determined for each PCI slot on the riser card. The

default setting for each field is Auto, which uses autorouting to determine IRQ use.

The other options are the manual settings of NA, 3, 4, 5, 7, 9, 10, 11, 12, 14, or 15 for

each slot.

PCI Latency Timer (32 PCI Clock)

The default setting enables maximum PCI performance for this motherboard.

IRQ xx Used By ISA (No/ICU)

These fields indicate whether or not the displayed IRQ for each field is being used by

a legacy (non-PnP) ISA card. Two options are available: No/ICU and Yes. No/ICU

indicates either that the displayed IRQ is not used or an ISA Configuration Utility

(ICU) is being used to determine if an ISA card is using that IRQ. If you install a

legacy (non-PnP) ISA card that requires a unique IRQ, and you are not using an ICU,

set the field for that IRQ to Yes.

......................................................................................................................................

DMA x Used By ISA (No/ICU)

These fields indicate whether or not the displayed DMA channel for each field is

being used by a legacy ISA card. Available options include: No/ICU and Yes. No/

ICU indicates either that the displayed DMA channel is not used or an ICU is being

used to determine if an ISA card is using that channel. If you install a legacy ISA

card that requires a unique DMA channel, and you are not using an ICU, you must

set the field for that channel to Yes.

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Asus SP98-XV User Manual Page 55