Front panel switches - what did they do?

Eric Smith spacewar at
Tue May 24 13:39:38 CDT 2016

On Tue, May 24, 2016 at 12:25 PM, Paul Koning <paulkoning at> wrote:
>> On May 24, 2016, at 2:07 PM, Chuck Guzis <cclist at> wrote:
>> ...and the "transformer" ROS used on the 360/40 (and others).
> You mean "Core rope memory"?

IBM's TROS and Core Rope Memory use the same principle, but the
physical construction is significantly different. Core rope memory was
very labor-intensive to manufacture, while TROS was not.

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