AT&T 3B1 Unix PC - test-drb@ccmp.vtda.org

19 Jun 2008

I have one as well.  I think mine has the 7300 stamp rather than the UnixPC
name.  It's got the 8086 coprocessor board to run DOS apps.

I have the dev kit, a few OS revs, and a pile of documentation.

For it's time it was a pretty decent low-end workstation with a fairly good
(non-X11) windowing system.  Biggest problem was how slow it was at floating
point, probably due to a crappy math library.  I don't even think there was
an option for a 68881.

Since it was designed by convergent, the machine itself it a lot like the
Convergent Miniframe (possibly even software compatible). The unix itself
was pretty good with virtual memory and memory mapped files, but the max
per-process address space was a 2MB which was also the max-RAM supported,
IIRC.

Eric

On Thu, Jun 19, 2008 at 1:57 PM, Mark Tapley <mtapley at swri.edu> wrote:

...
  At 12:04 -0500 6/19/08, Michael Lee wrote:

  Anyone collect and/or need parts to the AT&T
Unix PC?  I've got a pile
 of systems I dismantled over a decade ago, and don't really want or know
 how to put back together.

 All,
        I have a working one, and a fair amount of documentation. I have not
 spent enough time with it to be considered any kind of "expert" but I may be
 able to answer some questions. Hopefully someone more knowledgeable can pipe
 up here. The systems seem pretty cool, although they are kind of rudimentary
 as unix workstations.

 Michael,
        where are you? I.e. where would shipping be from?
 --
                                                - Mark     210-379-4635
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