Core Memory ID

From: Eric Dittman <dittman_at_dittman.net>
Date: Sat May 26 21:27:10 2001

> It's a standard DEC PDP-8 core plane that was many
> be one of many subcontractors. However if it's 5 boards
> it's an older non Omnibus PDP-8. The standard 8/e/f/m
> omnibus memory is three cards with an over the top
> connector set. One of the boards would be G111.

The core board with a readable designation has:

        B - DIODE BOARD G611 B

> >I was looking around my box of old boards and
> >found a core memory set I've had since about
> >'84. It was a leftover from an old system
> >that had been surplussed. I think the system
> >was a PDP-8 of some sort, but I don't know for
> >sure. The memory set consists of a SENSE board
> >and an INHIBIT board connected to the sandwich
> >layer of five board containing th core. There
> >is a label with the following:
> >
> >EM electronic memories
> >a division of electronic memories & magnetics corporation
> >
> > 4KX12 CORE MEMORY STACK
> > 270321 47071MW
> >
> >P/N 906819-A04 S/N xxxxx
> >C/N TS906819A D/C 5272
> >
> >There is an actual serial number, but the first
> >digit is torn.
> >
> >The plastic strain relief strips and the card edge
> >handles both have "DIGITAL EQUIPMENT CORPORATION"
> >and "MAYNARD, MASSACHUSETTS" on them. The handles
> >also has "W025" on them.
> >
> >Is this a PDP-8 board, and was it an OEM part
> >supplied to DEC or from DEC?
> >--
> >Eric Dittman
> >dittman_at_dittman.net
>


-- 
Eric Dittman
dittman_at_dittman.net
Received on Sat May 26 2001 - 21:27:10 BST

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