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  1. demik

    How to repair a Powerbook 140-180 interconnect cable

    Amazing ! Always gave up and used spare found on eBay. Will give it a try
  2. demik

    Help identify a PB 1xx modem

    My bad, didn't see that silkscreen Do we have a picture of the external dongle ?
  3. demik

    Help identify a PB 1xx modem

    That's weird because unless I'm missing something Global Village Modems are labelled Global Village (here is mine for reference) That hing has a mini DIN9 connector as well, right ? (It's difficult to see in photos) One thing not well known from PowerBook 1xx, is that their modem slot is...
  4. demik

    The beige G3 logic board that wouldn't die (Beige G3 µATX build)

    No worries I do not have one at the moment because it now has server duties and is indeed booting Linux / 8.1 just fine. However you are right, that may have clearance issues. What I did back then is grab another personality card from eBay, remove the jack and put pin headers where the jack...
  5. demik

    Design68: A 65% replacement keyboard using AppleDesign controllers

    There is a way to tell without opening: ALPS ones do have 3 or 6 screw in the back, NMB ones do have 4 or 8 screws
  6. demik

    Design68: A 65% replacement keyboard using AppleDesign controllers

    Nope sorry, that's the other one (NMB)
  7. demik

    jmacz journey

    That does look good to be fair. What material did you use ?
  8. demik

    Got one a few years ago from Amazon. They are fine and as 3lectr1cPPC said they have been around...

    Got one a few years ago from Amazon. They are fine and as 3lectr1cPPC said they have been around for a while
  9. demik

    Mac Plus schematics

    Saved as well, thanks !
  10. demik

    The Pro Audio Spectrum 16 NuBus's YMF262 FM synthesizer...

    Thank you. Will try with 7.5. It's either a 8.1 issue or the board is checking for the PatchPanel presence and doesn't enable outputs when it's not there. Mapped a few of the analog parts, will double check with a scope. As for the YMF262 / YAC512 combo, U11B is the output buffer opamp for...
  11. demik

    jmacz journey

    That does look really clean. What battery door file model did you use ? There is a few around but the tab always break for me That does look really good. I think @joshc was looking at theses keycaps as well. You are also better than me at cutting things straight. The square ADB hole looks nice
  12. demik

    Apple prototype ROM flasher utility

    Forgot to write that, thanks @Phipli :) . 5200/6200/5300/6300 and friends do indeed have the cache on the same SIMM
  13. demik

    The Pro Audio Spectrum 16 NuBus's YMF262 FM synthesizer...

    @KennyPowers, @Mr. Ksoft, What MacOS version are you using ? I seem to have trouble having sound out of the codec. MacOS control panel reports a 0kHz ramping rate (Mac OS 8.1) Alert sounds make the menu bar blink as well
  14. demik

    Apple prototype ROM flasher utility

    Been told to post that here. I found this ROM on a 6200 board. It works, origin unknown. It's a reflashable ROM with a weird P/N.
  15. demik

    The beige G3 logic board that wouldn't die (Beige G3 µATX build)

    Small update as that machine needed maintenance this month. First all the fans were replaced mid 2022 as most of the original ones seized. Ended up choosing Enermax T.B.s since I only trust theses and Noctuas long term. Also no RGB vomit. 465 days later, services stopped forking and one...
  16. demik

    Pro Audio Spectrum 16 PatchPanel - Schematic Development for Reproduction

    Is it possible to have the same pic but with a bigger resolution ? (Need R129 and R130 and everything right of them). Ideally I would like to be able to read resistor values. I could guess, but avoiding breaking stuff would be better. Also, is it possible to get U5A and U6A PN ?
  17. demik

    The Pro Audio Spectrum 16 NuBus's YMF262 FM synthesizer...

    Traced the board and can confirm @NJRoadfan findings The YMF bus lines are wired to the MVD101D AND a 74LS245 buffer (bottom right, AU12F) AND to the MVA508 (mixer chip) through R301-R308 100Ω resistors. I see no continuity between the YMF and the NuBus part of the card (left). Maybe missed...
  18. demik

    Powerbook 1xx internal wifi modem emulator Rx/Tx woes

    You will definitively kill the ESP longterm by using 5V in IO pins. It may works fine on a breadboard, but that's not ideal. So good job voltshifting that Don't know about the 8266, but from experience ESP32s are (relatively) power hogs with bad transient loads. We are talking 500-600 mA power...
  19. demik

    QuadraFPGA: HDMI for the 68040 PDS slot

    I would argue that if @Melkhior think it's difficult, then it's really difficult From my limited tinkering / brainstorming with this, pixel multiple resolution doesn't require a reconfiguration of PLL and friends, but a different framebuffer memory reading algorithm. Unless I'm missing...
  20. demik

    Best QS G4 AGP card?

    What @volvo242gt said :) Using a Radeon 9000 from a MDD on a QS for MacOS 9. Maybe a 8500. For OS X, flashed 9800 Pro are kinda doable, or X series but they have become unobtanium. Or the Nvidia era equivalents like a 4MX ori you can find it a 6800
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