Creative SOUND BLASTER PRO User Reference Manual page 150

Interrupt line
(IRQ) Conflict
SOUND BUSTER
The Sound Blas er Pro uses in errup line IRQ7 as defaul . Some imes he
prin er in erface (LPT1:) can sna ch away IRQ7 al hough i doesn'
require he in errup .
In he rare case of in errup conflic wi h ano her I/O card, you can change
he in errup of he Sound Blas er Pro o IRQ2 or IRQ5 ( See Table 1 for
he bes IRQ line o use).
We don ' sugges using IRQ10, because here are oo many exis ing
sof ware packages ha do no allow he selec ion of IRQ 10.
I/O Address
Conflict
The possibili y of conflic on he defaul I/O address of 220H is very
small. We advise agains changing his I/O por address. Changing from
his defaul I/O address means ha you have o re-ins all many sof ware
programs ha suppor Sound Blas er Pro.
Interrupt and
DMA
Assignments
If here is a conflic wi h ano her card in your sys em, we sugges you
change he I/O por address of he o her card. Remember o re-ins all he
I/O por address for programs running on ha card.
Interrupt table
Interrupt
AT Machines
IRQO Used by sys em Timer
IRQ1 Used by Keyboard
IRQ 2 FREE
IRQ 3 FREE (or COM Por 2)
IRQ 4
Use by COM Por 1
IRQ 5
FREE
IRQ 6
Used by Diske e Con roller
IRQ 7
Defaul used by Sound Blas dr Pro
IRQ 10
FREE
- IO
Appendixes