Troubleshooting
WADE-8071 User’s Manual
5-3
A quick review of the basic IRQ mapping is given below for your reference.
IRQ#
Description
IRQ #0
System Timer
IRQ #1
Keyboard Event
IRQ #2
Usable IRQ
IRQ #3
COM2
IRQ #4
COM1
IRQ #5
Usable IRQ
IRQ #6
Diskette Event
IRQ #7
Usable IRQ
IRQ #8
Real-Time Clock
IRQ #9
Usable IRQ
IRQ #10
Usable IRQ
IRQ #11
Usable IRQ
IRQ #12
IBM Mouse Event
IRQ #13
Coprocessor Error
IRQ #14
Hard Disk Event
IRQ #15
Usable IRQ
It is then very easy to find out which IRQ resource is ready for additional peripherals.
If IRQ resource is not enough, please disable some devices listed above to release
further IRQ numbers.
5.3 Ordering
Setting
PER-4110R
One slot PCI-E x1 to PCI-Ex1