Front panel switches - what did they do?

Chuck Guzis cclist at
Tue May 24 17:44:37 CDT 2016

On 05/24/2016 02:21 PM, Paul Berger wrote:

> The CROS cards used in a 360/30 where the same size as an 80 column
> card on purpose so you could you a keypunch machine to program the
> microcode.

But I believe that the CROS cards were mylar, no?


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