11/45 pictures & questions (cleaning question too)

From: ed sharpe <esharpe_at_uswest.net>
Date: Sun Dec 28 20:31:56 2003

Congrats on the new toy Jay... that is not too dirty... in Arizona here it
is warm enough we just take 'em out in the sun and hose them out and let
the sun bake them for a while and.... DONE!

8k probably did not support a disc operating system,. they probably loaded
up a single dedicated program and tested away with it.

ed!
----- Original Message -----
From: "Jay West" <jwest_at_classiccmp.org>
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk_at_classiccmp.org>
Sent: Sunday, December 28, 2003 6:00 PM
Subject: Re: 11/45 pictures & questions (cleaning question too)


> Zane wrote...
> > Do you know anything about the history of this system? Based on the odd
> collection of flipchips and such that you mention and the fact that it's
> only got 8k of RAM, I'm guessing that it was used as some sort of
> intelligent industrial controller.
>
> Yup, airforce or navy, forget what the previous owner said. Definitely
some
> type of testbed or process control or automated testing yada yada yada
>
> > With only 8k of RAM I'm not sure you can run anything other than the
PTOS
> (Papertape OS). I'm not sure if DOS/Batch would fit on a 8k system as
I've
> not messed with it. I'm fairly sure the RAM boards in your /44 won't work
> in a /45. Once you get a decent amount of RAM in the system I'd recommend
> RSTS/E for an OS (it seems the most appropriate to me), and failing that
> either RSX-11M/M+ or RT-11.
>
> Oh no, I didn't strive so long for a /45 to have it run PTOS (no paper
tape
> reader for it anyways). Unix is my preference for this, failing that,
RSTS.
> But my inability to find semiconductor memory and the segmentation boards
> may dictate otherwise. We'll see. This will be a very fun project. Maybe
> I'll put it ahead of my 8E restoration and my 11/44 restoration :)
>
> Hey... this machine, like some of the others I've worked on, has some very
> large bundles of wiring that are virtually impossible to clean when dirt
is
> caked into them. Anyone found a good way to degrease and get the dirt off
> wiring harnesses? My methods clean the surface but seem to mainly drive
the
> grit inbetween the wires making up the bundle. Anyone have a trick to
this?
>
> Jay
>
>
>
Received on Sun Dec 28 2003 - 20:31:56 GMT