Messages in this thread | | | Subject | Re: sb vibra config and sound+scsi=dropouts | Date | Wed, 03 Mar 1999 12:35:54 +0000 | From | Scott Manley <> |
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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 | / __| __ ___| |_| |_ | \/ |__ _ _ _ | |___ _ _ | Armagh | \__ \/ _/ _ \ _| _| | |\/| / _` | ' \| / -_) || | | Northern Ireland | |___/\__\___/\__|\__| |_| |_\__,_|_||_|_\___|\_, | | BT61 9DG. | http://star.arm.ac.uk/~spm/welcome.html |__/ \=====================/
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