Asus KN97 User Manual download pdf (Page 51)

ASUS KN97-X User’s Manual 51

IV. BIOS SOFTWARE

IV. BIOS

(Plug & Play / PCI)

PNP and PCI Setup

This “PNP and PCI Setup” option 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.

Details of PNP and PCI Setup

[Slot Interrupts] (Auto)

The first four fields on the screen set how IRQ use is determined for each PCI slot.

The default setting for each field is Auto, which uses auto-routing to determine IRQ

use. The other options are manual settings of 9, 10, 11, 12, 14, or 15 for each slot.

PCI Latency Timer (32 PCI Clock)

“32 PCI Clock” 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. The

first option, the default value, 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 ISA card that requires a unique IRQ, and you

are not using an ICU, you must set the field for that IRQ to Ye s . For example: If you

install a Legacy ISA card that requires IRQ 10, then set IRQ10 Used By ISA to Yes.

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Asus KN97 User Manual Page 51