> I have a Sound Blaster 16.  It comes up as:
> sb0 at isa0 port 0x220-0x237 irq 7 drq 1: dsp v4.13

Check the irq your SB16 uses under dos.  I think default for
the card is irq 5.  If it's different, either change the jumper
on the card to irq 7 (which is, I think, a printer interrupt
by default so you'll have to change that, too) or recompile
the kernel with the new irq.

--dave