joevt's latest activity

  • J
    joevt replied to the thread DumbDD.
    DingusPPC has SCSI hardware emulation. It can boot Mac OS 7.1.2 to Mac OS 9.2.2 from a virtual SCSI hard disk. Whether it's proper or...
  • J
    joevt replied to the thread Connecting an Apple Monitor to VGA.
    I wonder if any modern GPUs support Apple Sense codes...
  • J
    joevt replied to the thread Mac Classic issue with MacTerminal.
    But there are two serial ports. AppleTalk usually uses the printer port. So the modem port should be free. What port is selected for...
  • J
    joevt replied to the thread PowerMac G5 with a surprise inside.
    I suppose if you can't move it to a PC and use NVFlash from Windows or DOS to dump the ROM, and if there's no Mac utility to do the job...
  • J
    joevt replied to the thread PowerMac G5 with a surprise inside.
    Can you get a ROM dump of the card? I want to compare it with the 6800 ROM dump that I have. I also created an Old World Mac compatible...
  • J
    joevt replied to the thread Apple LocalTalk interface box.
    Asynchronous in this case just means that the sender and receiver don't share a clock? They must use the x16 or x32 or x64 clock mode to...
  • J
    joevt replied to the thread New Project: DoubleVision SE/30 Card.
    The Hammerhead memory controller in those machines actually supports an extra 128 MiB on top of that 1.5 GiB (1.625 GiB total...
  • J
    joevt replied to the thread Apple LocalTalk interface box.
    External clock is probably the easiest and best choice: https://68kmla.org/bb/threads/localtalk-but-faster.45615/post-505309 The PCLK...
  • J
    joevt replied to the thread Apple LocalTalk interface box.
    Maybe this document explains it? https://www.zilog.com/docs/z180/appnotes/loctalk.pdf
  • J
    joevt replied to the thread Apple LocalTalk interface box.
    printer cables are cross over but modem cables are not cross over. Well, a modem cable probably won't be mini-din at both ends so it...
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