Soundblaster IRQ 2?

Somewhere along the line of booting Windows 98, it sets the variable "blaster" to A240 I2 D3...and so on. I've desperatly tried to find where, but have been unsuccessfull.
The problem is I want to set I to 9 instead of 2. It does not help to add the line "Set blaster=A240 I9 D3" in autoexec.bat
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foxeyeAsked:
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waynebCommented:
The original spec of the pc called for irq 9 and 2 to be the same
If you are trying to setup to irq 9 then this is the same as 2 and vice versa.  Have a look at this fact below and it will explain this in more detail.

http://www.ecst.csuchico.edu/~dranch/HARDWARE/irqs-dma-ioports.txt

If you require more info then let me know.
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Asta CuTechnical consultant & graphic designCommented:
IRQ 2 is cascaded to IRQ 9, usually this is used by the Interrupt Controller not good for sound cards - Soundblaster cards prefer IRQs 5,7 or 10.  
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