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About MOS8_030

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  • Location
    Austin, TX
  • Interests
    Vintage Motorcycles & computers.

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  1. I have read that it was the flame retardant that was added to the plastic that makes these so fragile (and yellow) with age. It didn't help that Apple was trying to use as much plastic as they could to reduce costs. That's a shame about that one, it's just what ever parts can be salvaged now.
  2. Looks like one of the versions of the Focus Enhancements iView. Obviously without the case.
  3. I went back though my photos and my Lisa2 Sun Rem machine has a Seagate ST-412. (Dead) I didn't document the Profile when I had it open but I think my Profile Drive has the same HD.
  4. Correct that the profile has it's own controller stuff but I believe the HD (in mine anyway) is just a Miniscribe like the one Hyperdrive used. But I don't remember for sure, I haven't had the Profile Drive open since I recapped the PS. Anyway, I guess if my Profile HD dies I'll look into it more. Thx!
  5. Well, specifically I was thinking this could replace the hard drive in a Profile Drive unit, to be used with a Lisa/MacXL. Assuming the the Profile Drive was otherwise functional. It's just an MFM emulator, correct?
  6. Holy kow that's cool! Good to know there's a modern replacement option for the time when the HD in my Hyper Drive Mac gives it up. Now, could this same solution work for a Lisa/ Mac XL?
  7. A Mean Well PD-25. It supplies 5v for the card and 12v for the fan.
  8. I believe that side connector is for SCSI, but I have no documentation to that affect and I have never tried connecting anything to it. A lot (most) of these boards were powered by tapping into the Mac's analog board. Some connected directly to board with clips and some, like mine, tapped into the pig tail. Personally I think this may put unnecessary stress on the Mac's power circuit so installed the extra power supply and a new fan.
  9. Nice score! I have one I found in a $5 Plus I bought back in the late '90's. I made an over-long thread about mine.
  10. I did an ATX swap in my MDD a couple of years ago. It's still working fine.
  11. Wow, that is incredible. The crazy lengths people went to back in the day!
  12. Ha ha ha! That floppy drive is messing with your mind! Ok, now swap them back and see if the problem returns... Just kidding, don't do that. No telling why the internal drive works externally, perhaps some anomalous electrical interaction between the drive and the internal vs external bus. Personally I would just accept it, put the former internal drive into the external case and move on.
  13. You can start/stop the drive with the Sony Test software.
  14. Sorry, I meant removed the drive from the Mac and cleaned it etc. not the felt pad. It might be helpful to remove the drive and use it with your external case so you can watch the mechanism when it tries to read a disk.
  15. The test launches with those three test windows open. Close all the test windows then select the drive and open one test at a time. There was still one or two tests that caused lockups even then. Also, I ditched everything from the Mac Garden image except the Sony Test application and am running it from the HD's with known good OS's as I mentioned. Testing my two 400K drives both would bomb out during the track test after 15-20 tracks apparently indicating a track alignment issue which, as mentioned above, is a huge pita to fix and I haven't revisited them. (Or I suppose
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