Mystery box

[e.stiebler]

der Mouse wrote:
> I also pulled the CPU board from my 19r and scanned it.  The scan is
> not the best - it's a little out of focus and somewhat dim, because the
> board didn't sit very close to the scanner glass - but the writing on
> all the chips with enough pin count to be CPUs is legible (though on my
> monitor I have to stretch the contrast).  It's up for ftp from
> ftp.rodents.montreal.qc.ca:/mouse/misc/NCD-CPU/board.pgm and board.gif
> for your viewing edification.  It's 2549x1771; the chips of particular
> interest can be found at 700x400 at 1100,200, 400x400 at 800,900, and
> 400x400 at 1400,875; those pieces, contrast-stretched, can be found in
> .../NCD-CPU/X.YYY where X is A, B, or C and YYY is pgm or gif.

The big (?) LSI chip is the CPU. (33000), which was used until the 33020 
came out, (RocketX)