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  1. Garrett

    Low-cost 3 MB RAM card for Macintosh Classic

    My $0.02 - the OEM expansion card was much taller and heavier than what you've designed, and likely needed the rails on the chassis for support due to the torque that could have potentially been exerted on the motherboard connector. With your design I wouldn't be concerned with utilization of...
  2. Garrett

    PowerBook 1400 Series CD-ROM Module Repair

    I have a CD-ROM expansion module with a strange issue. It will only read discs if I hold the mechanism in place and press into the laptop. If I release, the disc spins down and unmount from the OS. Ejecting also only works if I release my hold on the door right as I hear the click of the latch...
  3. Garrett

    PowerBook 1400cs

    Nice looking 1400! There are actually two different logic board revisions, and you'll have to look at your ROM chips to see which one you have. I ran into a similar situation where the only option was to swap the entire board. From what I remember it was a pain to remove from the chassis, but...