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SubjectRe: sb vibra config and sound+scsi=dropouts
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This is exactly the problem I've lived with for over a year.... can anyopne 
explain it to me?

> First problem:
>
> I have a sb 16 vibra sound card.
> I let the BIOS configure the IRQ and dma channels as
> suggested in the docs.
> BIOS states in the booting messages that
> the IRQ is 5 and the DMA channels are 1 and 0.
>
> Only when I use 0 as second DMA channel, /dev/dsp
> is working.
>
> In the booting process I get the following message:
>
> SB16: Bad or missing 16 bit DMA channel
>
> I found this message in sb_common.c in an if statement:
>
> if (hv_config->dma2 < 5 || hw_config->dma2 > 7)
>
> In the same if statement devc->dma16 is set to devc->dma8
>
> Does this mean that: The BIOS assigned 0 (Zero) as
> 16 bit DMA channel and the card is only able to use 5, 6 and 7?
>
> If I do not use IRQ 5 and DMA channels 1 and 0 the /dev/dsp
> device is not useable.


Scott Manley (aka Szyzyg) /------ _@/ Mail -----\
___ _ _ __ __ _ | Armagh Observatory |
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\__ \/ _/ _ \ _| _| | |\/| / _` | ' \| / -_) || | | Northern Ireland |
|___/\__\___/\__|\__| |_| |_\__,_|_||_|_\___|\_, | | BT61 9DG. |
http://star.arm.ac.uk/~spm/welcome.html |__/ \=====================/



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