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  1. ironborn65

    Monitor "high resolution"monocrome MO400 arcing

    I realised there are other options for "fixing" a CRT. There are solutions in AliExpress as well as open source projects (I was told about a guy showing his solution in an IT retro fair, but was not able to find it): *a new CRT driver board*. They all offer VGA input. e.g. link Adrian has a...
  2. ironborn65

    Monitor Apple 12" RGB M1296Z V sync issues and ...

    Shame on me — the brightness connector had come loose during disassembly. Now the image is back, but I still can’t set the brightness and contrast correctly: it’s either too dark, or, when I increase the brightness, diagonal stripes appear. From this, I can reasonably conclude that there is a...
  3. ironborn65

    Monitor Apple 12" RGB M1296Z V sync issues and ...

    mmm, not really, they were all brand new and from known factories ... this does not prove much, but, no, I did not test them. The ESP can be critical, but I thought I could improve the parts later if the image was not good enough, but this is ...bad!
  4. ironborn65

    Monitor Apple 12" RGB M1296Z V sync issues and ...

    I have a Macintosh 12" RGB M1296Z that was working properly until the image on the screen became slanted and compressed along the vertical axis. I disassembled the monitor and found three leaking capacitors in what I believe are in the VSync section. I was unable to find a replacement for the...
  5. ironborn65

    pico atx Mac IIsi

    https://68kmla.org/bb/index.php?threads/how-to-mod-an-atx-psu-for-10-pin-macintosh-for-example-iisi-iici-quadra-700-and-others.30302/page-4#post-485562
  6. ironborn65

    pico atx Mac IIsi

    soft start, apologies FYI
  7. ironborn65

    pico atx Mac IIsi

    the IIsi has software start, CayMac offers a board to do the trick. https://ko-fi.com/s/d39b78d435
  8. ironborn65

    pico atx Mac IIsi

    hi mate, the IIsi has software start, CayMac offers a board to do the trick. Others here can describe a “do it yourself” board,
  9. ironborn65

    Mac IIci with a working Quantum HD

    Hi @wottle , yes, I created the system myself. I'm a software engineering guy, now doing hands-on only at home, 'cause at work I just "power point" :) .. or better :( Anyhow, the system is very simple; not much development is involved, if any. For those who might be interested: - a Synology NAS...
  10. ironborn65

    Power PC G3 266 with a ... audio, modem, USB and display ports

    @cheesestraws ... OMG ... yes they are two firewires, not DisplayPort... my bad, apologies :( I have not yet made an offer yet, it's working, OS 9.2 installed What is the small daughter card with lots of capacitors?
  11. ironborn65

    Power PC G3 266 with a ... audio, modem, USB and display ports

    is it something rare? I'm not in the G3 really ....
  12. ironborn65

    Mac IIci with a working Quantum HD

    Indeed... if living in the USA :)
  13. ironborn65

    Mac IIci with a working Quantum HD

    To me, as long as the hard drives keep working, I won’t add a SCSI solid-state drive. The more original, the better. I use BlueSCSI or ZuluSCSI only for Macs whose hard drives no longer work. The spinning sound of a hard drive is a pleasant reminder of the good old times.
  14. ironborn65

    Mac IIci with a working Quantum HD

    @Unknown_K , a video card had been added, as well as a 10Base-T network card. I'd love a cache, but as others mentioned they are pretty expensive and I've not found any reloaded projects.
  15. ironborn65

    LC475 + 7200/75

    ... and both are perfectly working, still, for preservation reasons, I'll recap the LBs and ABs.
  16. ironborn65

    LC475 + 7200/75

    two new babies: LC475 + 7200/75 The 475 seems to be pristine!
  17. ironborn65

    Mac IIci with a working Quantum HD

    I bought a Mac IIci with a surprisingly still-working Quantum 230 MB hard drive, and immediately made an image since it had MS Excel and MS Word installed. I recapped the logic board except for the axial capacitors. The PSU works fine and shows no bad capacitors, so I’m leaving it untouched...
  18. ironborn65

    Mac Classic: Sad Mac only when Ram Expansion card inserted

    thanks, can u please tell which resistors exactly? I have the same issue with a classic
  19. ironborn65

    Raccaped LC II, no shime, no sound, no video ...deadend?

    @MBehr thanks — it took a couple of years of practice :) I believe my issue is more on the hardware side, but I'll check on the other side @cheesestraws mate, I checked the specs and found that pin 15 is the RESET OUT from the EGRET. I added a push button at S1 on the logic board (which...
  20. ironborn65

    Raccaped LC II, no shime, no sound, no video ...deadend?

    Hi everyone, I have an LC II, apparently in good shape — no battery damage, it was stored in a warm, dry place, and there’s no visible corrosion. The absence of the J9 IC seems to be normal in these boards. Pin 117 of the CPU is bent, but there is continuity. However, the capacitors near the...
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