• 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. E

    Samsung PSCF401601B(C) No 12v

    I just got a Macintosh G4 MDD. It wont start at all, just givning a ledlight that dimms off when releasing the power button. No light on the board when connected to mains. I’ve changed the cmos battery and tryed a PMU reset. Still nothing. But I suspect the lack of +/- 12v is the culprit here. I...
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    LDA-MAC II videocard

    What kind of monitor, brand, can work with this?
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    LDA-MAC II videocard

    Just bought this videocard, 1987 sigma design. It slipped my mind to check the port at the time of purchase. Now I got it today and it has a DE-9 port, for EGA and CGA. Problem is that I dont have that kind of crt screen at hand. Is there a way to convert the signal to use with a regular apple...
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    Quadra 840AV video problem

    I have Looked over nearly every single trace, checked connections beteende ic legs and board. I cant find anything weird.
  5. E

    Quadra 840AV video problem

    So, I found another videocard, radius pivot, and now I get a working picture. So what can be wrong with the quadras internal video signal?
  6. E

    Quadra 840AV video problem

    My display. Original cord. Connected with no adapter to the computer.
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    Quadra 840AV video problem

    CRT is good, using on another comp. VRAM slots is empty, have only the soldered on vram.
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    Quadra 840AV video problem

    Some pics of the board close to the screen connector.
  9. E

    Quadra 840AV video problem

    With another stick of ram.
  10. E

    Quadra 840AV video problem

    The quadra starts just fine it seems, chimes and I can controll the system with keyboard. But I have corrupt videosignal! (Se picture) board is recaped, caps on the correct way and values.
  11. E

    Macintosh 128k~Plus Analog Board, Safety Capacitors C33, C37, C38

    I dont belive it, an unexploded RIFA in one of my macintosh plus! (I took it out anyway) And the other one, to the right, as we all know them to look!
  12. E

    Macintosh plus analogue board

    Does this crack in the flyback housing matter other than cosmetic? It seems to be fine under.
  13. E

    SillyTinySCSI - Smallest SCSI emulator! (ZuluSCSI OSHW)

    I find the gerber file for the PCB but could you make a components parts list for mouser?
  14. E

    Memory in Quadra 950

    I forgott to mention that I have a PPC-card inside. Someone informed me that that can make it more demanding when it comes to memory modules. Know anything about that?
  15. E

    Memory in Quadra 950

    Thank you
  16. E

    Software 840av

    Thank you, will do tonight
  17. E

    Software 840av

    No chime
  18. E

    Software 840av

    I have a Quadra 840av that dont show picture, know and working screen. HDD starts and cd opens but no screen. It is recaped.
  19. E

    Memory in Quadra 950

    I have bought 2 second hand memory modules of 4mb each to put in my Quadra 950 and they arrived today, but it have a sad Mac start sound…mem fail. So I checked the manual and learned that memory needs to be installed in 4 not in 2:s (that I thought) so I found 2 more modules but of a diffrent...
  20. E

    Macintosh IICi No chime and blackscreen

    I have all the tools (not including an oscilloskope)
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