Xerox D-series workstations

From: Mitch Wright <>
Date: Sun Nov 7 19:19:15 1999

Hello Kevin,

 Somewhere you mentioned the company you work for made ucode compilers,
assemblers. Anything left of these products laying around?

Congrats on finding the Xerox machines, I've given up all hope of

Regards, Mitch Wright

Kevin Schoedel wrote:
> Hello all,
> I've just been fortunate enough to obtain a pair or Xerox D-series
> machines. One is a 53D (Daybreak? Dove? 6085? 1186?) and the other an
> 8010.
> I understand the 53D has its microcode control store in RAM; is there any
> available information on the microinstruction encoding, and how I might
> in principle be able to write my own? (I work for a company that did
> microcode compilers, ten years ago when people still built microcoded
> machines, so yes, I *do* know what I'm suggesting.) For that matter, is
> there any available information on the macroinstruction set(s)? So far
> I've been able to find very little about these boxes.
> The 53D boots happily into Lisp. Err... could someone please tell me, as
> soon as possible, how to safely shut this machine off?
> Two boxes of Lisp manuals, dated June 1997, and still shrink-wrapped. If
> there is a 'collector' out there who would like to trade for 'working'
> copies of the same, contact me before I open them....
> A carton of Lisp floppies; although these were sold with the 8010, they
> clearly belong to the 53D, since they're 5.25" not 8". They're marked
> DS/DD 48tpi; is there anything unusual about these, or could they in
> principle be read and archived from a current pc?
> The 8010 doesn't boot. The power supply is fine; the drive spins up and
> is loud but sounds smooth. The LEDs rest at 0000, and nothing happens.
> Any obvious things I should try, or will I have to wait until I can do
> Serious Work on this?
> --
> Kevin Schoedel
Received on Sun Nov 07 1999 - 19:19:15 GMT

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