Real PDP11 model question

From: Paul Koning <>
Date: Sun Sep 19 18:09:06 2004

>>>>> "Zane" == Zane H Healy <> writes:

>> >>>>> "Ron" == Ron Hudson <> writes:
 Ron> Were there any PDP11's as small as the DECmate III?
>> PDT 110?
>> paul

 Zane> How big is a PDT-11/110? My PDT-11/150 is quite a bit larger
 Zane> than a DECmate III.

 Zane> To the best of my knowledge the smallest possible PDP-11 made
 Zane> out of real hardware would be a 4-slot dual-height backplane,
 Zane> with a dual-height CPU (ideally a PDP-11/73), DLV-11J
 Zane> (providing console port), 3rd party disk controller w/bootstrap
 Zane> (preferably SCSI). That would leave room for one additional
 Zane> dual-height board. You'd have to figure out the power-supply
 Zane> and how to wire up any disk or tape drives. I'd build
 Zane> something like this, if I had the backplane, but I don't.

For standard modules, that sounds right.

It would be interesting to check the size of the LA120 electronics
module. That has a PDP11 (T-11) on it, I believe.

Received on Sun Sep 19 2004 - 18:09:06 BST

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