• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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  1. J

    Macintosh Portable & Powerbook 100 power adapter bench

    Hi guys. During recapping of my PowerBook AC Adaptor (M5140B, a 2A model) I noticed a rather unhealthy looking diode, D104 (see pic - it's located between D105 and C111 on the main board). Can anyone tell me what diode type & rating this is please? All I can see is the crack! Thanks, JD oops! I...
  2. J

    Homebrew IIfx RAM - Did anyone finish making these?

    Count me in too please. Would be nice to have more than 8Mb in my IIfx...
  3. J

    Cards and drives

    Another method of freeing up the grease was mentioned here: https://macgui.com/news/article.php?t=431 ...heat it up in an oven to soften the old grease. Also try some WD-40 which you've probably got around the house. I also keep some Xylene on hand, which works wonders (though it is nasty...
  4. J

    Mac Hut is back

    Thanks for posting this and keeping the archive alive. I like that its a concise list of "essential" stuff (missing just a few things like Crystal Quest :-)  ) and that there's an options for early browsers. Nice job... JD
  5. J

    IIfx | IINTX 64-pin SIMMs

    Hi Joe. I'm keen to get some IIfx 64-pin SIMMs for my IIfx, if and when these may become available. Sign me up :-)  
  6. J

    HELP: 120V Macintosh Plus analog board blowing F1 fuse

    Hi Will. You mentioned the previous owner had connected it to 240v instead of 120v, and that had blown the fuse. I think it likely that some other component has been fried before the fuse went. I checked the failure mode of X2 and my money is now on that: When a Class-X capacitor, also referred...
  7. J

    HELP: 120V Macintosh Plus analog board blowing F1 fuse

    Hi Will Bilbit is spot on - regardless of AB variant designation, your Mac Plus AB needs to say "International" for it to be able to be converted between 120v and 240v (see first pic below). My 120v Mac Plus (which was made in California!) does say International on the AB, and FWIW the AB...
  8. J

    HELP: 120V Macintosh Plus analog board blowing F1 fuse

    Hi Will. Just taken delivery of a Mac Plus 120v here in the UK, and plan to convert it to 240v (the “International” ABs we’re designed to support both 120v and 240v, by simply changing some wire links and a few other components). Can you tell us which specific model of AB you have? There were at...
  9. J

    OMG - Zip 100 works with High Sierra (vintage to modern Mac challenge)

    Now that would be cool (and is a potential fresh batch of colour ribbons an incentive?) My boys think “laser printers” when they want to print. Would be great to show them how it used to be done (with lots of noise and time!)...I have an old ImageWriter II on my “get it working” project list...
  10. J

    3D Printed Gears for 800K Floppy Drives like MP-F51W-03

    Hi JDW I'm sure it'll ship fine at this end, and will mark it appropriately so it travels as reliably as possible. Looks like I'd bought the last two from this ebay reseller in the UK - see listing here: https://www.ebay.co.uk/itm/372940190399. Yes, they buy a big 1kg tin and part it out into...
  11. J

    3D Printed Gears for 800K Floppy Drives like MP-F51W-03

    Good luck with the deliveries! I still seem to be getting stuff delivered from the US, mainland Europe and China OK - but a card from the in-laws in Australia was 2 months late (yes I'm an Aussie, just in 'Europe' - or not as Brexit suggest...). Australia Post & many other postal/delivery...
  12. J

    3D Printed Gears for 800K Floppy Drives like MP-F51W-03

    Hi JDW I ordered a couple of gears off the Italian guy in your first link, and when they arrived last year I was pleasantly surprised with them. Having finally got around to my Mac Plus repairathon a week ago (some of which I filmed and inspired by you might put a video or two together), I got...
  13. J

    Mac SE FDHD worked with SCSI2SD - now it won't boot from it

    If you can see the SCSI2SD volumes, it  is more likely to be a software issue. Do different SCSI2SD volumes have different System folders you can use (e.g. use the application "System Picker" to select the volume and specific system folder to boot from...). On my SCSI2SD I have different volumes...
  14. J

    Finally getting around to sorting through my little Mac collection, and breaking out the IPA...

    Finally getting around to sorting through my little Mac collection, and breaking out the IPA, new caps and soldering iron !
  15. J

    OMG - Zip 100 works with High Sierra (vintage to modern Mac challenge)

    I’ve used this approach in the past too, and you’re right for a couple of quick files it works well. For larger files I used SCSI2SD but am also experimenting with a LocalTalk bridge - was aiming to keep my archives on my Synology NAS, which is great to access from Mac OS X machines, but not...
  16. J

    Radius Color Pivot monitor not pivoting

    Thanks for posting this. I have an old colour pivot display but no cable, and can’t find an OEM cable at a reasonable cost so will break out the soldering iron and try to make one. Has anyone else followed the above wiring diagram and achieved success?
  17. J

    OMG - Zip 100 works with High Sierra (vintage to modern Mac challenge)

    I guess it's lockdown boredom or something - that and I've been trying to boot a vintage Mac Plus with external drives (which it does with a Zip100 SCSI and recent enough ROMs). With a spare Zip 100 USB drive kicking about, I wondered if I'd still be able to read & modify my bootable Zip...
  18. J

    Booting Mac Plus with scsi2sd...

    Hello! Am new to this forum but want to offer my experience with a couple of Mac Pluses and my SCSI2SD v5.0b - bottom line is that both boot absolutely fine from the SCSI2SD into a System 6.0.8 partition of 120Mb that I'd created using the cracked version of Apple HD Setup (the one that can be...
  19. J

    Macintosh SE Shimmering Video

    Thanks folks. Righto, on that basis my next priority is going to be a few AB recaps. I'll wait on the PSU for my SE/30 as voltage under HD load is testing out OK (for now!) but will get to this eventually too. Good to know its not just a dry joint but likely died out and less functional...
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