David A. Gatwood wrote:
> On Thu, 22 Jul 1999, Bill Studenmund wrote:
> 
> > On Wed, 21 Jul 1999, David A. Gatwood wrote:
> > 
> > > Oh, I understand.  You mean if the IOP could be controlled through DMA.  I
> > > was suggesting that, by that description, the IOP acts like a DMA engine,
> > > in that it reads from a section of memory and dumps it out in time through
> > > the port.  The buffer that it reads from being fixed reminds me of the
> > > AMIC DMA used in the x100 PowerMacs.  Same sort of issues, I assume.
> > 
> > Is the AMIC SCSI or ethernet or none of the above?
> 
> It's the DMA engine used to drive all of the above -- SCSI, ethernet,
> floppy, and serial... I think that's it.

how similar is the AMIC to the PSC?

-colin