24 Jan
2017
24 Jan
'17
7:55 p.m.
On 01/24/2017 08:57 PM, Chuck Guzis wrote:
On 01/24/2017 06:37 PM, Jon Elson wrote:
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.
Jon
On 01/24/2017 12:38 PM, Chuck Guzis wrote:
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.
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.