[sdiy] seek help on Jupiter 6 repair

Rainer Buchty buchty at cs.tum.edu
Thu Sep 26 22:43:34 CEST 2002


> Do they decay to 0xffs?

Yes. An empty EPROM contains 0xff.

However, I've never seen an EPROM decaying completely w/o being exposed to
UV light. Maybe that one was programmed with one of those "fast"
algorithms we all were so proud of back in the 80s ("look, it takes only
seconds, not minutes.")

Rainer

-- 

Rainer Buchty, LRR, Technical University of Munich @ Garching
Phone: +49 89 289-18477, Fax +49 89 289-17662, Room 01.06.061




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