Josh Dersch derschjo at
Wed Sep 23 19:52:23 CDT 2015

FYI, I've thrown up a couple of (cell phone) photos of the SC44 boards here:

I'll have the machine home in a few days and I'll be able to take better 
pictures then...

- Josh

On 9/23/15 2:40 PM, Josh Dersch wrote:
> Hi all --
> I just added a PDP-11/44 to my collection and it appears to have some 
> manner of cache upgrade; it's made by Digital Data Systems (DDS) and 
> consists of two cards, one hex-height labeled "SC44 SETASI" (in the 
> place of the normal 11/44 cache board) and a second quad-height 
> labeled "1051" at the end of the first backplane.  The two are 
> connected via a ribbon cable.
> I know DDS made some seriously nice upgrades for the 11/70 but I can't 
> find anything on this board set at all.  I'm assuming it's just a 
> souped-up cache but it'd be nice to know more (and docs would be 
> excellent of course).
> Thanks,
> Josh

More information about the cctalk mailing list