Also sprach Chris Tribo:

>     If you look on the underside of the keyboard, and you see LK-501 on the
> label, than this is an Access Bus keybard( Access Bus is a Siemens I2C
> variant; not that far from what USB is today, only much much slower). The
> LK501 can only be used on the Personal DECstation 5000/xxx series of
> computers. If the label is gone, and you see two ports, one on each end of
> the keyboard, then chances are it is an LK501.

No, it's not a DEC at all. It's a WYSE, Serial Number is 3029684, no
other label. The plug has 10 connectors, in a round pattern, looking a
little like an enlarged PS/2 to me. 

>     Is the RAM on a set of stacked boards (about 9"x4"), SIMM's, SIPP's,
> MS02 modules? (about 8"x2.5")?

They're pretty small, actually - they look like "normal" SIMMs to me. 80
pins, they say "digital", "DSIM", "LPWR BE3-1".

Thorsten
-- 
Thorsten Jens <thodi@et-inf.fho-emden.de>

"Um Rekursion zu verstehen, muss man erst Rekursion verstanden haben."