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1944GPW
December 18th, 2012, 08:03 PM
My dad was an IBM CE who was a hardware specialist on the 360 Model 40, a machine he knew inside out. I have an old brochure of his on the 360's Solid Logic Technology, what it was and how it was made. I could not find this particular document on bitsavers or anywhere else so I thought others might be interested in it too. I've just scanned and turned it into a 24-page PDF and put it up on my server:
http://202.63.50.228/IBM/IBM%20Solid%20Logic%20Technology%20brochure.pdf

The number of dead SLT modules my dad brought home when I was a kid, and I think I destroyed every single card, along with a collection of earlier SMS cards... can't find any at all now. I wish I could go back in time and kick myself!

Steve.

Beerhunter
December 19th, 2012, 02:39 AM
Don't worry too much about the loss of the modules to posterity. We have plenty of SMS, SLT, MST, etc. in the IBM Hursley Museum for history's sake.

IIRC, we don't have copy of that pamphlet however so thanks for that.

The System/360 Model 40 was designed at Hursley and the very first S/360 in the world that was fired up was one of those. Sadly all we have are a couple of TROS (Transformer Read Only Storage) modules and a name plate.

1944GPW
December 19th, 2012, 04:06 PM
Beerhunter, good to know that there are plenty of bits of 360 ephemera still in existence :)

Regarding IBM's Hursley UK Laboratory, my dad was posted there by IBM Australia in 1964 specifically to study the Model 40 hardware so that he could teach and service the machines to be installed around Australia in the coming years, and we as a family went with him. After being at Hursley in 1964/1965 IBM posted him straight to Poughkeepsie in New York for the rest of 1965/66 (I think) before moving back home to Australia. My mum tells me we arrived in NY just in time to miss the World's Fair :(

My dad's hobby was competition black & white photography and colour slides, and he used to take pictures of everything. Somewhere in my mum's pile of photo albums are ones from Hursley in 1964 and I know there is at least one of a Model 40 with the doors off and the caption "The test machine" or "Our test machine" scrawled on it.
He also took Kodachrome colour slides (there must be a thousand, maybe two) of places and family which I have been laboriously scanning. I even found a box of slides titled 'IBM centres around the world' of ones he was sent to in the 50s 60s and 70s. Before he moved to the 360/40 he used to work on some SMS-based IBM machine (1400 series I think?) and before that, the valve-based IBM 650s.

I sure would love to get to the UK sometime and have a look through your museum's photo collection, especially if you had any from 1964. IBM liked to take photos of their customer engineer classes when they completed their courses, I have some of him when he was in Poughkeepsie(?) in the late 50s, so there might be ones taken at Hursley?

Here's something else of my dad's, one of my favourite bits of 360 ephemera - a small lucite block with an SLT module inside that I treasure. Also an SLT tie pin and a Model 40 console lamp. As young kids my brother and I used to put those console lamps on 9-volt batteries... instant bright flash, then dead. Right, next one! :( Surprisingly this one still works. Somewhere I have other things including his well-worn 360 instruction set reference card and a few IBM valve modules from his 650 days (such as can be seen on the Wikipedia page on the IBM 650).

11356

Steve.

corestore.org
January 30th, 2013, 03:22 AM
Don't worry too much about the loss of the modules to posterity. We have plenty of SMS, SLT, MST, etc. in the IBM Hursley Museum for history's sake.

IIRC, we don't have copy of that pamphlet however so thanks for that.

The System/360 Model 40 was designed at Hursley and the very first S/360 in the world that was fired up was one of those. Sadly all we have are a couple of TROS (Transformer Read Only Storage) modules and a name plate.

That is sad; I'm about to take delivery of a relatively complete Model 40. How are you fixed for documentation?

Mike

Beerhunter
February 3rd, 2013, 08:11 AM
That is sad; I'm about to take delivery of a relatively complete Model 40. How are you fixed for documentation?

Mike
Without looking I don't know. I'll try to remember to take a look next Friday. (The day that I am in the museum.)

g4ugm
February 3rd, 2013, 02:58 PM
Very interesting. Thanks for that