David A. Gatwood wrote:
> On Wed, 14 Jul 1999, Ken Nakata wrote:
> 
> > I do.  Singer is Apple's code name, but it's actually a codec chip
> > developed and sold by another company (I think the company was called
> > ITT or something).  I downloaded the PDF datasheet off the Net a while
> > ago, and I hope it's still buried somewhere in one of my HFS
> > partitions.  I'll try to get and post the URL when I get home or I
> > could directly send the PDF to you if you want (provided that I didn't
> > lose it when my 2G drive died on me).
> 
> If you find it, send me a copy.  MkLinux would love to have sound working
> on the Performa 52/53/62/63xx machines (once we actually figure out why
> they're not booting).

does they not use the same hardware as in the 6100/7100/8100-series?
there are docs on that...
 
> 
> > I think we need to figure out how DMA works for audio I/O, also.  I
> > tried to disassemble the ROM code but I quickly got lost every time I
> > tried.
> 
> What DMA engine?  AMIC or something else?

the AV's use the PSC...

later.

colin