CDC transistor boards

Chuck Guzis cclist at sydex.com
Sat Dec 29 15:28:37 CST 2018


On 12/29/18 12:34 PM, William Donzelli wrote:
> I think the Cyber 70s used the later modules (the multilayer and/or IC things).

Nope, the Cyber 70s were very minor upgrades to the 6000 series.  A
bunch of QSEs were made standard features, such as CMU (lower Cyber),
CEJ, ILR, etc.  Same cordwood modules, though.  Blue-glass and fake wood
skins, mostly.  I witnessed a 6400 being upgraded to a Cyber 73; most of
it was cosmetic.

The 170s were quite different, however.

--Chuck



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