PDP-11/44 mystery card
pontus at Update.UU.SE
Thu Aug 5 13:38:51 CDT 2010
I've acquired two PDP-11/44 and have just now gone throught the list of
cards in the cpu-boxes and the spares. Here is a list:
Nothing special, I've used the field guide to identify most cards. I've
only marked one card of each kind.
There is two cards connected with ribbon cables that I can't identify.
They are made by Data Management Labs in San Jose and are labled DML 750
Board A and Board B. There are some numbers as well (in no particular
There are some bitslice chips and a whole bunch of roms. Anything that
rings a bell with anyone?
Also I wonder what the
"M7251 KG11-A U Network interface XOR and CRC block check option"
"M3110 DRCSA U Protocol assist #1 w/special character check and CRC (DEC/DLC/DRCSA)"
"M3111 DRCSA U Protocol assist #2 w/special character check and CRC (DEC/DLC/DRCSA)"
are used for?
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