Real PDP11 model question

Paul Koning pkoning at equallogic.com
Sun Sep 19 18:09:06 CDT 2004


>>>>> "Zane" == Zane H Healy <healyzh at aracnet.com> writes:

 >> >>>>> "Ron" == Ron Hudson <ron.hudson at sbcglobal.net> 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.  

	 paul




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