Recovering the ROM of an IBM 5100 using OCR (among other things)

Ethan O'Toole ethan at 757.org
Thu Jun 27 09:57:07 CDT 2019


> Mag stripe readers were expensive and hard to acquire in those days, so 
> this was the chosen method of recovering track data from credit cards.

Readers were cheap. Writers were expensive and hard to get.

 		- Ethan





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