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  1. jake18125

    Macintosh SE Radius 68020 Accelerator Woes

    So I recently picked up a very nice example of a dual floppy Macintosh SE which came with a Radius Accelerator 16 installed in it. Alas, the hard drive was dead, so I've installed System 6 and System 7.0.1 on an external scsi2sd to see if I can get it working. Despite installing the radiusware...
  2. jake18125

    Hunting for a IIci Logic Board

    As per the title, I picked up an empty IIci case recently and it looks like all possible sources of a logic board have evaporated! So I don't suppose any one has one knocking around? I would even be happy with a IIcx board. Please let me know!
  3. jake18125

    Macintosh SE FDHD Not Booting From Any Drive

    Bit of an interesting problem this one. I recently picked up a Macintosh SE FDHD which had suffered a battery leak, however, the logic board did clean up relatively well and it appears that no traces had been damaged. Powering it up showed signs of life - it would bong, pass the memory check...
  4. jake18125

    Does anyone have a spare 128k/512k rear case?

    As per the title, I was just wondering if anyone - hopefully UK based! - Has a spare rear case for a 512k? I've looked for quite a while on the usual places but they haven't really came up at all.  Hope someone can help!  
  5. jake18125

    Sound files on a 68000 Compact Macintosh?

    I suppose a lot of people have asked this, but I've never found something that works properly.  Does anyone know of a method of playing common -ish sound files (midi, mod or perhaps even wav files, but not something like converting them to system 7 sounds) on a 68000 compact mac? The closest...
  6. jake18125

    SCSI resistor packs

    I've recently acquired a pair of 1gb scsi drives which work absolutely fine... so long as the system has an external scsi terminator installed. As it turns out they are both missing the resistor termination packs, which I only now realise are a bit more complex than a SIL resistor pack. Does...
  7. jake18125

    Macintosh 512k C20 and C5 capacitor values

    Bit of an odd one this. I was sent a 512k which was a little bit... erratic. Sometimes it will bong and flash the floppy icon, other times it will just get stuck on a corrupted screen. Thinking it was a RAM issue I took the logic board and found out that for some reason someone had removed C5...
  8. jake18125

    Mac OS 8 on a Classic II

    I'm actually amazed this worked, but I managed to get Mac OS 8 running on my Classic II! (Ok strictly speaking it is a Performa 200, but come on they are literally identical).  How did I manage this?  Well I realised that the Classic II actually has a 32 bit clean rom, so really it should be...
  9. jake18125

    400K drive pressure pad missing

    As per the title, I just picked up a faulty external 400k floppy drive that was being detected but ultimately wasn't reading or writing disks.  After I opened the drive I noticed the fault - the small felt pressure pad was missing, meaning the disk isn't making good contact with the head.  I...
  10. jake18125

    Macintosh 6100 - boot issues

    I swear I end up with the strangest issues. Recently I tried to swap the 500mb hard drive with a larger 30gb 80 pin drive with an adapter. I *think* I may of had them set to the same scsi address, but I'm not sure.  Bottom line is that the 6100 will chime, display a white screen and cursor...
  11. jake18125

    iBook G3 not recognising IDE devices

    Bit of an interesting one. Recently I was given an iBook G3 with a pile of assorted stuff and I could not get it to boot from the CD drive. In fact I couldn't even get it to *eject* the CD tray.  Once I had booted it from an external firewire disk it just could not detect either the internal...
  12. jake18125

    Macintosh SE scanlines on display - another analog board fault!

    My macintosh SE (that has been throwing me issues after issues) has yet another fault on the analog board! First it was the TDA1170 squashing the display, and once I had replaced that, the display has very prominent scan lines. Adjusting the cut off had no effect, and the two resistors (R20 and...
  13. jake18125

    Macintosh SE Squashed Vertical - Analog board fault

    This is somewhat following on from a previous project where I had an SE/30 with a vertical failure (link at the bottom), so this is just a bit of context.  With the SE/30 missing vertical I followed the dead mac scrolls, which suggested swapping the TDA1170 on the SE/30s analog board...
  14. jake18125

    Vertical failure on SE/30 - logic board issue, HELP

    So I have a bit of a problem I recently acquired an SE/30 that was showing symptoms of vertical failure - on boot up it only displayed a single horizontal line. After reflowing the joints on the P1 connector, replacing the TDA1170 on the analog board without any improvement I finally put my SE...
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