Re: 16-bit SoundBlaster DMA

Derrik (dpates@kalifornia.com)
Mon, 25 May 1998 19:56:51 -0700 (PDT)


On Mon, 25 May 1998, Spirilis wrote:

> So far, even trying (DMA 0 (CHANNEL 5)) and using dma16=5 doesn't give me any
> 5: SoundBlaster16
> For that matter, *all* I get is
> 1: SoundBlaster8
>
> Even forcing dma=5 results in
> 5: SoundBlaster8

Well, first of all, which card have you got? For a 16-bit SB, in
isapnp.conf there should be a line like:

(DMA 0 (CHANNEL 5))

and that's what you should specify on the modprobe/insmod command line for
dma16. If you have a CL Vibra16X based card, it doesn't do 16-bit DMA at
all. Don't try to give it a 16-bit DMA channel - it won't work. Second,
SoundBlaster8 just means it's the 8-bit DMA channel 16-bit data can be
pushed through the 8-bit DMA channel, it ust gets broken up into bytes for
the transfer.

Derrik Pates
dpates@kalifornia.com
dpates@acm.org

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