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  1. 8bitbubsy

    Macintosh Classic II fan

    Don't change the fan unless the air flow is the same, there's a reason the fan is noisy - it really needs to push that hot air out of the case. Same with the PSU on the Quadra series, use the one that is there, it's really important in the long run.
  2. 8bitbubsy

    Recapping time for 128K/Plus Analog Boards

    You did a clean and professional job there, nvdeynde! And you used high-quality capacitors too. This is how every single retro hardware restoration should be, thumbs up!
  3. 8bitbubsy

    Apple ROM on Quantum SCSI drives

    I have, but it just doesn't feel as real as having a drive with the Apple firmware. You know, perfection. CelGen: This drive is working perfectly, also I have a theory to why they might fail so much -- there's two DC SMD capacitors on the volt input stage, they filter the voltage lines so that...
  4. 8bitbubsy

    Why a soldered battery?

    Only a very new revision of the Macintosh SE motherboard contains a battery socket. I'm not sure why it's not socketed, but it just isn't. Maybe to save production costs? I advice you to desolder the battery then try to find a battery socket from another broken motherboard (all kinds of...
  5. 8bitbubsy

    Apple ROM on Quantum SCSI drives

    Thanks for the warm welcome. :) I decided to give up, so I removed the socket and the solder on the pads, then I soldered the EPROM to the PCB instead. Just to make the drive live a little longer if I store it in a cold room or something. Those sockets tend to corrode easily over the years.
  6. 8bitbubsy

    Apple ROM on Quantum SCSI drives

    Heya, I've got a Quantum ProDrive ELS 170S, which is identical (except for 10MB size difference) to the ELS 160S that is shipped as a configuration option for the Macintosh Quadra 700. My problem is that this HDD doesn't have any Apple firmware, are there any way to hack the ROM so it'll be...
  7. 8bitbubsy

    Help Reviving a Dead Classic II?

    Yeah, that's electrolyte fluid. Good thing you're recapping this thing now and not later, the electrolyte leakage does more damage over time. Be sure to clean it properly off, use a toothbrush and some isopropanol alcohol to remove the goo. This might have happened to the logic board as well...
  8. 8bitbubsy

    Mac Plus screen flicker

    Caps indeed. Check the DC filtering caps (the big one(s)), also measure the PSU startup-resistors (if any) while you're at it.
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