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  1. aeberbach

    fixable or should i just order a replacement pcb now?

    I'm guessing no, great opportunity to move to a new PCB - but you won't know until it's clean.
  2. aeberbach

    3D Printing The Notorious DB19!

    I did a similar thing for the also-unobtainable DB23: https://aeberbach.github.io/posts/2021-08-26-amiga-db23/ STL files: https://www.printables.com/model/81148-db23-plug-for-amiga-floppy-drive I can probably dig up the Solidworks source files if anyone wants them. I found the biggest problem...
  3. aeberbach

    Mac Mini 1.5GHz CPU question

    Yes Apple labelled the 1.5GHz as 1.42GHz (at least the one I had, which did have the 64MB VRAM) - officially the 1.5GHz didn't exist. You can look up the serial number.
  4. aeberbach

    A "touchy" subject

    I've experienced 240V mains a few times, it's never something you want to repeat. But this has been on a wooden floor, wearing shoes, one-handed. There's no calculating how bad it will be @smrieck511 - the consequences can depend on your personal conductivity and vulnerability, the path from the...
  5. aeberbach

    Did the 68k machine have a presence in the demoscene?

    Probably the Radius Rocket was faster, yes, but available when the IIfx launched? How much later did the first Amiga 040 appear? There's probably a youtube video about exactly who had the lead in the race to Mac faster in the 90s.
  6. aeberbach

    Did the 68k machine have a presence in the demoscene?

    At the time of the IIfx... the fastest Mac you could get was an Amiga 68030 @50MHz running a Mac emulator, and it worked out far cheaper then the real Mac too. 68k Macs were great for many reasons but demo capabilities were definitely not one.
  7. aeberbach

    My Macintosh Quadra 700 Clean Up and Fixes

    Beautiful job, I would not have picked that the color was not quite perfect. Is there a video or blog illustrating that JB Weld technique for old case repair?
  8. aeberbach

    Best SE/30 revision Logic Board?

    Definitely the one with metal SIMM clips and socketed processor. That said, keep both.
  9. aeberbach

    Received /// enormous boxes, delighted by the contents

    This is the thing about living around the bay, people just casually toss oscilloscopes, computers, CNC machines, reflow ovens, mass spectrometers etc... you should try living in Melbourne, the best thing I have picked up recently is a 2010 iMac (that needed a new power supply and my parents are...
  10. aeberbach

    Building an internal grayscale card for the SE/30

    This looks incredibly good.
  11. aeberbach

    LC475 mainboard

    A LC475 mainboard with 25MHz 68040 (not LC), 32MB RAM, 1MB VRAM. Listed as fully working from a seller I have bought from before (and who has done an exchange for me who I wasn't happy with something that arrived). I'll need to find a power supply but the floppy and hard drive are dead space...
  12. aeberbach

    Floppy Drive Grease

    This is good stuff, only way too expensive because Tamiya!
  13. aeberbach

    Macintosh SE/30 Ram upgrade

    Yes, it should be obvious from the contacts and the slight markings they make on the 30 PCB connections where electrical contact is made - just put the tape on the other side, i.e. don't insulate the SIMM completely!
  14. aeberbach

    Macintosh SE/30 Ram upgrade

    What can work is to look at the SIMM sockets and note which side contact is made on, usually the one toward which you push the SIMM to engage the "click". Build up the opposite side of the SIMM with one or even two strips of kapton tape - depending on the thickness of the tape you buy, and it...
  15. aeberbach

    Mac SE/30: Looking for suggestions for next steps

    I bet that felt good!
  16. aeberbach

    SE/30 Chassis Painting

    Looks great!
  17. aeberbach

    Idea: Macintosh Classic III (LC550+M1420)

    Hi - I worked on it, it's done, but for SE and SE/30 models. Kind-of working now on displaying video from those models on a color LCD but I have been really busy.
  18. aeberbach

    Reverse Engineering the Macintosh Plus PCB

    Sure, it works but it isn't Mac-like. If having lots of wires hanging out with an image on an external monitor is OK then that's been done by many people. The idea is for an image to appear on a LCD that fits in place of the CRT, case closed. No Linux, no menus, no boot delay. Even the...
  19. aeberbach

    Reverse Engineering the Macintosh Plus PCB

    Hi - I have gotten a bit distracted with 3D printing lately. Partly too I am wondering if anyone will be interested now that I have a pretty good idea it will cost near $200 - is it even worth doing? The power supply is complete. The board to power the LCD and the physical support for the LCD in...
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