Re: sound blaster using DMA 0

Hakan.Lennestal (hakan@tuttifrutti.cdt.luth.se)
Thu, 30 Jul 1998 10:31:35 +0200

Chris Wedgwood writes:
> On Wed, Jul 29, 1998 at 08:16:14PM -0400, Matthew D. Pitts wrote:
>
> > AFAIK the newer SoundBlaster 32/64 cards are capable of full-duplex
> > operation. Of course, I don't have one, or the docs for one.
>
> Even the SB16 has some FD support - you use one DMA for reading, the
> other for writing. It means its an 8/16 bit split for the quaility
> though.

AFAIK this is how it works with ISA 32/64 also.
The new PCI versions (that uses ensoniq chips) does have real
full duplex though.

/Håkan

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