IBM 7074 and then some: "Systems we love" conference

Chuck Guzis cclist at
Tue Jan 24 20:57:16 CST 2017

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?
>> --Chuck
> 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.


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