DEC ME11 Memory Expansion on eBay

Bill Degnan billdegnan at
Fri Aug 20 23:12:36 CDT 2021

This seller just had that kind of cruddy 11/05 for sale recently, this item
is in nicer shape, but I would not expect it to work "out of the box".  It
may have been the companion RAM to the 11/05.  I have a similar set up for
my 11/40 (in full sized chassis, etc. but same principle).

On Fri, Aug 20, 2021 at 7:04 PM Steve Malikoff via cctalk <
cctalk at> wrote:

> I just saw there is an ME11 Memory Expansion unit on eBay (not mine),
> stamped 'M11'.
> Until seeing this one I had not heard of any other units out there apart
> from the one I recovered
> (ex-BHP steelworks) a few years ago. Mine was connected by a flexprint
> cable to a rebadged PDP-11/15.
> If anyone here ends up with it, I have an OpenSCAD model of the Mazak
> bracket p/n 1211221 that holds
> the regular 5-1/4" DEC fascia panel onto the front of the H-909 cabinet
> this unit uses.
> This is the same cabinet as the slimline PDP-11/05 and to be honest when I
> found the ME11 that's
> what I thought it was, and that the console and CPU boards were missing. I
> then found the fascia panel
> with the original brackets close by, and it fitted exactly.
> I've printed a few from PET and they work as well as the originals
> (including the threaded hole), so
> I could do a few more for whoever gets the eBay one should they want them.
> I am slowly scanning the ME11 print set too as I've not found any online
> copy out there so far.
> Steve.

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