High performance coprocessor boards of the 80s and 90s - was Re: SGI ONYX

[Dave Wade]

> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Guy
> Sotomayor
> Sent: 21 April 2016 22:39
> To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org>
> Subject: Re: High performance coprocessor boards of the 80s and 90s - was Re:
> SGI ONYX
> 
> 
> > On Apr 21, 2016, at 2:35 PM, Josh Dersch <derschjo at gmail.com> wrote:
> >
> > On Thu, Apr 21, 2016 at 2:34 PM, Ali <cctalk at ibm51xx.net> wrote:
> >
> >>> Actually, the first one was called XT/370 because it plugged into an
> >>> XT!
> >>> Then came AT/370.  Those were obviously ISA boards.  Then came some
> >>> variants that were microchannel.  The final iterations were PCI based.
> >>>
> >>
> >> Guy,
> >>
> >> I am not sure about the other systems but my understanding of the
> >> XT/370 and AT/370 was that they were glorified terminals i.e. instead
> >> of having a terminal and a PC on your desk you could have it all in one. Is
> this wrong?
> >>
> >
> > I think you're thinking of the 3270 PC  and 3270 AT, which was pretty
> > much what you described here…
> 
> The XT/370 and AT/370 had coprocessor boards that allowed 370 code (and a
> heavily modified version of VM/370) to be run on the machine itself.  They
> were

I don't think the CMS was "heavily" modified, modified certainly, but heavily modified I don't think so...


> *not* just glorified terminals.  ;-)
> 
> TTFN - Guy