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    Quadra 660AV tinkering

    I've been working on a Quadra 660AV that had heavy capacitor damage. (good reset and clocks on main chips, no chime, seems like CPU locks after a few cycles) In the process, I've been documenting stuff like voltages, signal descriptions, and resistance to ground for a good board. All my info is...
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    Need help with a Laser 128 EX/2 with no clocks

    I'm working on a battery-bombed Laser 128 EX/2. Gate Array 1 (G/A1) is supposed to generate clocks off of the 14MHz crystal. The voltages and 14MHz crystal going into G/A1 are good, but none of the clocks are coming out. I fear that the chip is dead due to the battery leakage, but I'm hoping...
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    Some resources for Fujitsu FM Towns II UG20

    I recently did a refurbishment of a Fujitsu FM Towns II UG20. These are super cool little not-quite-DOS-compatible x86 all-in-one machines. It seems like the information is disbursed all over the place on the web, so I thought I'd do a post of the most useful things I found and the resources I...
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    Mac Plus internal SCSI PCB released

    I designed a little PCB to use a 50 pin SCSI internally in a Mac Plus so that you can have devices like the BlueSCSI installed internally all stealthily. The files for the PCB are all available here: https://github.com/BigBadBiologist/Mac-Plus-Internal-SCSI The installation process (not...
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