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  1. Garth Beagle

    Capacitors on Apple High Resolution Display Video Card

    Hello! I'm trying to confirm what are the values for a couple of caps on an Apple High Resolution Display Video Card as noted by the red arrows in the attached photo. If you have this card, can you please confirm what they are or take a good high resolution photo of it? I think they're both...
  2. Garth Beagle

    Mid 2011 21.5" iMac GPU replacement

    I have a 2011 27" iMac with a failed GPU. I spent loads of time about a year ago looking into info on replacing it. I ended up getting an NVIDIA K610M - IIRC, I'll need to at least flash it (blindly) and likely need to load OpenCore, so I can get backlight control (though, I'm not 100% sure...
  3. Garth Beagle

    Fixing cracked ABS plastic

    I have a small (albeit, growing) container with all the bits of plastic that've broken off my various systems. I should try to "put 'em all back together" as they say, though, I'm not sure what shape I'll end up with 🤣
  4. Garth Beagle

    Is the AMTECH 559 PLUNGER botched?

    I got this excellent idea from @Branchus, take off the tip, and snip out sections of the plunger around each side so air can move in/out (I don't bother putting the tip back on, works fine) This works great - it freely moves in and after applying some, you can easily move it back so it doesn't...
  5. Garth Beagle

    My PowerMac 7100/80 AV Recap Project

    Gah! If you can, post a photo
  6. Garth Beagle

    My PowerMac 7100/80 AV Recap Project

    Well, good? Good to know of course!
  7. Garth Beagle

    Macintosh II & IIx replacement battery holders

    Yep, I’m using them in 603 based Performas, 9600/350, etc
  8. Garth Beagle

    Sonic Blaster sound card

    I need to learn more about this card, IIRC it's currently just outputting the built-in Apple IIgs audio to two speakers (mono?) but I know there's a lot more it can do. Another thing on the to-do list!
  9. Garth Beagle

    Sonic Blaster sound card

    Kicking off my first thread, here's a flashback pic of my Sonic Blaster card, currently installed in my Apple IIgs 😀 That's it, just the photo, works great!
  10. Garth Beagle

    Staff Bio - Bruce Rayne

    Haha, perfect pic!
  11. Garth Beagle

    My PowerMac 7100/80 AV Recap Project

    I've not yet recapped any of my early PPC systems, interesting to hear you found evidence of leakage on yours! And wow, 38 caps total!
  12. Garth Beagle

    Macintosh II & IIx replacement battery holders

    I use these same holders on all my Macs, they work very well! I've been using them on Macs that (normally) require the 4.5V battery as well and so far the 3V from the CR2032 batteries have worked well enough.
  13. Garth Beagle

    Performa/LC 630 Dos Compatible - Dos Card CPU Upgrade

    I'd love to upgrade one of my DOS cards with a DX4/100 or similar.
  14. Garth Beagle

    Performa/LC 580 Overclock

    Yup, the LC 580 is the same, with an extra RAM slot not necessarily found on all other P630 variants. I've been using my LC580 board in a Performa 6220CD case (it's original case crumbled). I put a full 040 CPU into it and left it as-is. I did the same overclock on an extra P630 board I had...