Front panel switches - what did they do?

Paul Koning paulkoning at
Tue May 24 13:25:52 CDT 2016

> On May 24, 2016, at 2:07 PM, Chuck Guzis <cclist at> wrote:
> On 05/24/2016 11:00 AM, jwsmobile wrote:
>> Diode boards were one form of read only storage in systems.  Another
>> was the IBM and other's capacitance system.
> ...and the "transformer" ROS used on the 360/40 (and others).

You mean "Core rope memory"?  I just fixed the Wikipedia article to correct the history for that technology.


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