Repairing core memories....

Charles Dickman chd at
Sun Oct 31 18:12:29 CDT 2010

On Sun, Oct 31, 2010 at 3:12 PM, Chuck Guzis <cclist at> wrote:

> I have a vivid memory of an IBM CE holding a broomstick with a magnet
> on the end of it fishing out bits of fractured core out of the oil-
> immersed memory of a 7090...  :)
> "Check the oil" was part of routine maintenance on that old iron.
> --Chuck
So how does a single core fail? A crack I guess. Maybe overheating that
could change the characteristics of the core materials.


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