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olePigeon

68LC040
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  1. olePigeon

    Complete TechStep

    It's a NuBUS card with LED indicators on it so you can see the condition of the power supply, ADB activity, etc. The software can test various basic functions of the computer, but it's not anything special, and doesn't actually interact with the NuBUS card in any way (at least, not that I saw.) The card is mostly useful to just plug in and visually see if there are any obvious power issues. I call it the Poor Man's TechStep.
  2. olePigeon

    Complete TechStep

    @snuci They're missing ROM 4. Maybe I can lend it to someone with a reader and they can dump it to add to the site. Also interesting that it has identifiers for Q700 and Q900, but there aren't any ROM packs for it. At least, none that were released. I wonder if there's a "Volume 5" beta floating around somewhere with the Quadra & Centris lines on it. Edit: Also, I found out that my Snooper card isn't useless even after getting my TechStep. The TechStep can only test the 5v rail, but my Snooper Card can test both 5v and 12v rails. So I'll definitely be holding onto it for testing power supplies.
  3. olePigeon

    Complete TechStep

    Awesome. I'm gonna look at one of the cartridges, see if it comes apart easily. Maybe they're easily copyable. Perhaps something as simple as pulling a ROM out and flashing it. My brother suggested I use the 3D printer and make a cassette style case for the ROM cartridge to keep dirt out. Not a bad suggestion.
  4. olePigeon

    Complete TechStep

    According to the manual, you shut the computer and TechStep off (assuming the computer even pasts POST.) Depending on the machine, you typically plug in a SCSI cable, 1 or 2 ADB cables, 2 serial cables, and an audio cable. It has two slots in which you can plug in 2 different cartridges. For example, for my Mac IIci I'd have the SCSI Test Cartridge and Volume III cartridge for IIci. I then power on the TechStep, Select ROM A for my IIci Cartridge, select IIci for the computer type, then select Power On. The TechStep will then boot the computer into diagnostic mode. I don't think it has to power on completely, just that it has power, and then the TechStep can start probing the various functions of the computer. So if you have a computer that doesn't even Mac chime, you can still probe the hardware. I'll try to make a video, but it'll be difficult. I don't have a tripod or anything to hold my phone. Also, there are additional components not listed on the cartridges that you can test. Many of the cartridges can test the BTO options for a particular model. For example, for the IIci I can also test 3 different video cards: 4•8, 8•24, and 8•24 GC, as well as test the IIci cache card. Likewise with the IIsi, which had a bunch of BTO options apparently. As far as I know, it's 100% complete. Even has the warranty card and an advertisement for AppleLink for Apple Technicians. Also, there's nothing special about the cables, which is a relief. Whenever I saw pictures of a TechStep, it looked like a bundled set of wires, perhaps something proprietary. But they're not. The first few pages of the manual suggests you tie all the cables together, so a lot of people did. They're just regular SCSI cables, ADB cables, serial cables, and audio cable. So if you happen on a TechStep with no cables, don't worry about it.
  5. olePigeon

    Complete TechStep

    Here's a picture of my TechStep plus my "Supportools" that I found in my garage.
  6. olePigeon

    Res Edit

    Is there something in 7.5 that you need that 7.1 Pro won't do? Typically that's partitions large than 2GBs. 7.1 to me almost always seems like a better choice for a 68k Mac II even with obscene amounts of memory. Also, I always love seeing an old 68k Mac with 128MBs. It's just a hilariously huge amount of RAM.
  7. olePigeon

    Res Edit

    Oh, OK. I didn't realize it had to be modified to run 7.5. Interesting.
  8. olePigeon

    Another DIY ProFile emulator

    This is really cool. I love seeing these projects. Would be cool for a FloppyEmu v2 with ProFile support. Not sure how you'd do that since they used different connectors. Or did they?
  9. olePigeon

    Res Edit

    @SE30_Neal Check your PMs. You shouldn't need any ResEdit hackery unless you're doing specific modifications. All you need is a 32-bit clean ROM.
  10. I sold it for $50 to a member here.
  11. olePigeon

    Complete TechStep

    I just snagged a complete TechStep. Has the case, cable, TechStep & power supply, software, 5x ROMs (Vol 1-4 + HDD), and all the manuals including for each ROM. Coupled with my Service Source, I now have the whole shebang. I can fully diagnose any of my Macs.
  12. olePigeon

    Original 1990s Service Source & Supportools

    @danda You can do whatever you like if it's helpful.
  13. olePigeon

    Original 1990s Service Source & Supportools

    @danda I already linked to it in my post.
  14. olePigeon

    Dead Color Classic?

    It also has the original caps. Might need to be recapped.
  15. olePigeon

    Original 1990s Service Source & Supportools

    I need to keep an eye out for a complete TechStep, then I'll have the whole shebang. I could open up my own vintage (Un)Certified Apple Repair center. :P
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