30 Nov
2014
30 Nov
'14
8:50 a.m.
On 11/29/2014 10:40 PM, Billy Pettit wrote:
Chuck Guzis wrote:
"It didn't start with the 170, did it Billy? I remember a nice thick mat
of twisted-pair wires on the backplanes of 6000s, as well as in a lot of
attached controllers. Taper pin technology."
You're right - the 170 was the first use of main frame wire wrap at CDC. I've
never seen any other machine that used twisted pair wire wrap.
DEC KL10B had a lot
of twisted pair wire-wrap on the
backplane. VAX 11/780 had
critical clock signals on twisted pair wire-wrap. These
were, in fact, ECL signals.
Jon