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  1. Joopmac

    Macintosh 128k 630-0101 board with “jailbars”

    Hello again :) We also removed a resistor pack at the 6522 I thought this was for a ram upgrade but now I think Its probably original Does anybody know if it should be there and Why? I Cannot find anything about it
  2. Joopmac

    Macintosh 128k 630-0101 board with “jailbars”

    Well my friend has found the sound fault 😁
  3. Joopmac

    Macintosh 128k 630-0101 board with “jailbars”

    Thanks Traces checked and look OK ordered some new old stock LS166… Would it also explain the weird boot beep?
  4. Joopmac

    Macintosh 128k 630-0101 board with “jailbars”

    hello all, we just finished replacing the ram chips on this board, did not boot, sad mac Now we have these, what I know as jail bars like my se 30 Had =) Anybody got some hints where to look first?
  5. Joopmac

    Synchr030/S 256MB SDRAM Accelerator for the SE/30

    Wow crazy cool development. Once one could verify it works with rominatorII and carrera040 i am ready to order ;)
  6. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    Its this: https://macintoshgarden.org/apps/macsnap
  7. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    There was dove Macsnap software, but that was solely for creating a RAM-disk
  8. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    Yes yes I want =) Would there be ready to use builds for sale eventually? Already took 512k logic board on my desk 😆
  9. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    Wow I Will give this a try!! Super
  10. Joopmac

    128k 630-0101 board blowing fuse on analog board

    Sorry, i was not clear but its the logic board that causes the fuse to pop on the analog board Other Logic boards go juuust fine :) I have recapped and fresh analog boards and they work great Thanks!!
  11. Joopmac

    Overclock LC475/P475/Q605 without soldering or spicy-o-clock

    Is there a compiled version of this latest version yet?=)
  12. Joopmac

    128k 630-0101 board blowing fuse on analog board

    hi there =) i have a nice 128k board, but this one blows the fuse on the analog board. already replaced is TSM IC, Q1, capacitors on the logic board, checked the ports for shorts... any hints where to look, is there a common point of failure on these? greetings!
  13. Joopmac

    Macintosh SE Fan Mod - 2016

    Funny, i tried some fans and also ended up with the Sunons! They have a pleasant sound, but i do like the Panaflow's originally Yes the noctua does not push enough air!
  14. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    Yes i had that Dove SCSI board, but sold it a year ago. I kept the macsnap that scsi board looked a lot like the supermac rom card above
  15. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    if you have the dove scsi, them you already have custom roms I guess I took the board out, on top of my ROM ic’s there was a little dove board Cant remember if it was clip on or replacing the stock rom ic’s
  16. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    I have the 524, for 512k extra (1MB total)
  17. Joopmac

    Macintosh 128k Revival!

    I always try to set it to the measurements mentioned here =)
  18. Joopmac

    Early Macintosh home brew 4MB memory upgrade board development

    I have this also, exactly with dove and rominator Only system 5.1 would boot 6.0.8 would stall at the Welcome screen I also mixed with 6.1.7 Finder and it works with 5.1 system.. strange
  19. Joopmac

    Macintosh Classic M1420 - floppy not writing or formatting diskettes

    Mostly the drives need a recap? My friend has capped like 20x 1.44MB and 8x800K, and oh also all my 400k drives After recapping, format always works again (on my drives)
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