David A. Gatwood wrote:
> On Tue, 13 Jul 1999, Colin Wood wrote:
> 
> > > The Singer might be the chip in the x100's rather than the Performas.  I'm
> > > a little fuzzy.  The Performas (well, some of them are called PowerMacs,
> > > but the 52/53/62/63...), though, are basically Quadras with a PPC card,
> > > so....  ;-)
> > 
> > the singer is only in the AV mac's.  the x100's use the AWACS chip.  if
> > the performas really are quadras, perhaps they use EASC's?  if so, i can
> > tell you how they work, sort of :-)
> 
> Actually, turns out it's the DFAC II on the Performas.  I knew I'd seen
> Singer somewhere, though.  The Singer is actually a close cousin to AWACS,
> virtually a subset of AWACS functionality.  I'd suggest that you start
> from the NuBus (PDM) AWACS support in MkLinux and work from there to
> modify it to do the strict Singer spec and the PSC DMA model.  That should
> be a lot easier than starting from scratch, I'd think.

cool.  looking at the docs for the singer, it appears you're right (at
least it seems a little similar to the description of the AWACS that i
have at the moment).  btw, where's the latest mklinux kernel source these
days?

later.

colin