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Originally Posted by m54b30 View Post
Is there a recommended way to extract the contents of the 93C46 prom?
I can't get any useful results from it other than zeros and Fs in a regular pattern, indicating that the prom was not read correctly.
Your better of reading out of circuit as reading the eprom in circuit you have other components on the board trying to draw power. If you really want to read it with the eprom still on the board short the legs of the crystal then try again.
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