DDS SETASI SC44 info?

[Josh Dersch]

On 9/23/15 2:52 PM, Sean Caron wrote:
> Any easy way to post pics of the top side of both boards? I can't
> definitively ID them but we should be able to make a good guess as to
> what's actually on there looking at all the major ICs...
Yeah, I took some pictures this afternoon (a bit blurry -- it was dark 
and all I had was my cell phone, I'll try to get better pics tomorrow):

http://yahozna.dyndns.org/scratch/sc44/

>
> Did you just buy this? :O
>
> http://vintagetech.com/sales/Big%20Iron/PDP%2011-44/Information
Yep :).

- Josh


>
> Best,
>
> Sean
>
>
> On Wed, Sep 23, 2015 at 5:40 PM, Josh Dersch <derschjo at gmail.com> 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
>>