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channelmaniac

Professional
Joined
Mar 19, 2021
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Location
Dallas, TX, Metromess
Now you see it...

27c400.jpg


Now you see the other...

27c4000.jpg


I ordered "20 AMD 27C400 EPROMs" and received 16x Hitachi HN27C4000G-10, 2x Hitachi HN27C4000G, and 2x ST MX27C4100... Did OK on the lot and they came blanked. It did take some work to get all the paint off though.

paper towels.jpg


Overall, was a good buy, but not happy with the remarking. I don't care if chips are pulls as long as they work. Remarking has one major issue: you don't know for sure if the algorithm you use to program the chip is the proper one. Will it work? Will it be too short and give you a weak bit set?

Anyway, Superman has his missing ROM replaced and is back to 100% working order.
 
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