IBM 7074 and then some: "Systems we love" conference
elson at pico-systems.com
Tue Jan 24 21:55:37 CST 2017
On 01/24/2017 08:57 PM, Chuck Guzis wrote:
> On 01/24/2017 06:37 PM, Jon Elson wrote:
>> On 01/24/2017 12:38 PM, Chuck Guzis wrote:
>>> Was the 7070 IBM's first machine with a wire-wrapped backplane?
>> No, all SMS machines used similar wire wrapping. So, I think that
>> goes back to the 7030 (Stretch) and probably 1620, 1401 and others of
>> that time. I'm pretty sure those preceded the 70xx series.
> The 7070 was very early (1958) and is probably the first (or close to
> the first) IBM transistorized computer. The 1620 and 1401 were both
> 1959 introductions. First delivery of STRETCH to LANL was 1961.
Well, they were all built using SMS card technology, and a
few pictures seem to show very similar backplane setup.
I didn't know the 7070 was the first of that generation.
While the first 7030 was delivered after the 7070,
development of the Stretch probably started first.
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