AB Soft ATX 12V User Manual

Page 82

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BIOS Setup Utility

SY- P4I865PE Plus DRAGON 2

77

PNP/PCI Configuration Setup (Continued)

Setting

Description

Note

How to set the BIOS to release the IRQ to the PnP Interrupt pool:

Interrupt
Line

PnP / PCI configuration

Integrated Peripherals

IRQ 15 IRQ 15: PCI / ISA PnP On-Chip Secondary PCI IDE: disabled
IRQ 14 IRQ 14: PCI / ISA PnP On-Chip Primary PCI IDE: disabled

IRQ 12 IRQ 12: PCI / ISA PnP

Interrupt 12 will be released by the PnP
BIOS automatically if the PS/2 Mouse Port
is not used.

IRQ 7 IRQ 7: PCI / ISA PnP Onboard parallel port: disabled
IRQ 4 IRQ 4: PCI / ISA PnP Onboard Serial port 1: disabled
IRQ 3 IRQ 3: PCI / ISA PnP Onboard Serial port 2: disabled
4. Your OS may reassign another interrupt to a PCI slot after BIOS passes control

to the OS, especially if you use Windows 95, 98, NT, XP or 2k.

Enabled

BIOS will assign IRQ for VGA/USB
port.

Default

Assign IRQ
For
VGA/USB

Disabled BIOS won’t assign IRQ for

VGA/USB port.

5. Your OS may reassign another interrupt to a PCI slot after BIOS passes control

to the OS, especially if you use Windows 95, 98, NT, 2k or XP.

INT Pin 1~8
Assignment

Auto

Set to Auto the BIOS will using
IRQs Automatically.

Default

MULTI I/O ADDRESSES
Default settings for multi-I/O addresses are as follows:

Port

I/O Address

IRQ

Status

LPT1

378H 7 ECP/EPP

COM1

3F8H 4

COM2

2F8H 3

Warning: If a default I/O address conflicts with other I/O cards such
as sound card, you must change one of the I/O addresses to remedy
to this address conflict. (I/O addresses can be adjusted from the
BIOS Setup Utility)

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