BIOS Setup Utility
SY-7ISA
81
PNP/PCI Configuration Setup (Continued)
PNP/PCI
Setup
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 or NT.
Disabled
BIOS will assgin IRQ for USB port.
Assign IRQ
For
VGA/USB
Enabled
BIOS won’t assign IRQ for USB
port.
Default
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 or NT.
INT Pin
1/2/3/4
Assignment
Auto
Set to Auto the BIOS will using
IRQs Automatically.
Default
3-7.2 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)
