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  1. cjbrunner

    Mac Classic ROM chip - replacement or more troubleshooting? SOLVED

    Thanks for all the info! I'm just across the river just north of Gladstone. Might take you up on the ROM loan once I get into the burning and checking phase! Are you on the TinkerDifferent Discord? I've joined that too.
  2. cjbrunner

    Mac Classic ROM chip - replacement or more troubleshooting? SOLVED

    Thanks, friend!
  3. cjbrunner

    Mac Classic ROM chip - replacement or more troubleshooting? SOLVED

    Hi! Sorry to post to a thread from three years ago, but I've just been through a similar journey getting my Mac Classic to boot past the checkerboard screen. After much cleaning, cap-replacing, and troubleshooting with a scope, I determined it was a bad BIOS ROM, and sure enough after...
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