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  1. davidg5678

    Bondi Clamshell!

    The method exists, but unfortunately, there is a lot of conflicting information that goes around when dealing with the 18650 batteries. There are several videos showing people soldering directly to the cells to rebuild iBook batteries, but according to the manufacturers of the batteries, this is...
  2. davidg5678

    Strange SE/30 Simasimac

    Thank you! I'll buzz out all of the connections from the VRAM ICs and the ROM, and report back. This might take a while, I think there must be over one hundred places to test!
  3. davidg5678

    Bondi Clamshell!

    I am in the midst of this exact project right now! :) In theory, this is true. In practice, I have found that it would have been far easier, safer, and cheaper to just have purchased a commercial battery pack from Newegg. The 18650 cells can be very dangerous and frustrating to work with. If...
  4. davidg5678

    Strange SE/30 Simasimac

    I'm not sure if anyone saw this post the first time around, so I'm bumping it in case anyone has some ideas about how to repair this motherboard. There are a few more things I could try (see above), but otherwise, this board has me stumped. If anyone has suggestions about how to fix this logic...
  5. davidg5678

    MacSD - new SCSI SD card emulation tool

    <semi-relevant tangent> I have the 5.1 with a full-size SD card slot. Maybe the problem is that I used a Micro SD to full-size SD card adapter inline with the extension? I'll have to see if I get better results with a full-size SD to a full-size SD extension. If a product like this fixes...
  6. davidg5678

    Bondi Clamshell!

    This is a really large flash drive to use with such an old iBook! The clamshells only have USB 1 which is really slow, but I still don't think this is normal behavior. Maybe it would help to reformat the drive using disk utility on the iBook? I think with a drive of this capacity, things get a...
  7. davidg5678

    MacSD - new SCSI SD card emulation tool

    Hmm... I actually tried that same product too, but it did not work for me. I wonder if it has something to do with the SCSI2SD models behaving differently. I did my experimenting with a SCSI2SD V5.1. Did you use another model or the same one?
  8. davidg5678

    MacSD - new SCSI SD card emulation tool

    I have purchased a few of these extenders, but they have all proven to be incredibly unreliable. They sometimes work okay with my modern computers, but I have never successfully gotten one to work with my Macintoshes, unfortunately. Over the years I have purchased and returned several with no...
  9. davidg5678

    Bondi Clamshell!

    There is no need to take the laptop apart for ethernet, nor a need for a USB dongle. There is already an ethernet port you can use on the side of the computer. If you plug an ethernet cable between this port and your router, you will be online.  I mentioned a wireless ethernet repeater, as you...
  10. davidg5678

    MacIPpi - Surf the Internet on your old Macintosh with TCP/IP over LocalTalk

    I'd love to be a tester! How can I access the beta image?
  11. davidg5678

    Performa 400 Battery damaged Logicboard Repair

    Impressive work! I have yet to get one of my battery damaged boards to work, despite having the tools and soldering skills. One day...
  12. davidg5678

    Bondi Clamshell!

    This is more a matter of whether you should do it, not if you can do it. If you configure your router to not use any encryption (or an outdated standard of encryption), it will definitely work, but this is usually an all around bad idea as it exposes all of your network to neighbors, hackers...
  13. davidg5678

    Dead-ish Mac Classic II - Grey Screen with Thin Vertical Lines

    I think there is a chip on these boards labeled egret which can cause many problems if electrolyte gets underneath it. Before you shelve this board, I would recommend using hot air to remove the egret chip, cleaning the PCB really well with alcohol, and reinstalling the chip. This might help...
  14. davidg5678

    Strange SE/30 Simasimac

    I just realized I forgot to mention in the original post that this board has already been recapped.
  15. davidg5678

    Strange SE/30 Simasimac

    Hello, I am working on repairing one of my dead SE/30 boards, but I am having some problems with Simasimac (insert frustrated noise here). I have cleaned and recapped this board, and I am testing it inside a known good chassis with known good RAM and ROM. When I power the machine up, I do not...
  16. davidg5678

    FluxEngine - floppy disk imager, now with Mac 800k disk support

    The webpage says 1.44MB Mac floppies are supported: https://cowlark.com/fluxengine/doc/disk-macintosh.html This project looks really interesting! I'll have to look into the total cost of the electronics it uses, but it would be great to have the ability to image disks with such a simple system.
  17. davidg5678

    Macintosh SE/30 Schematics (modernization effort)

    I too have some corrections. These are for the Sound Interface. (I verified these against Apple's Schematics. ) UB11 pin 8 is not connected to anything but it should go to ground. UB10 and UB11 pin 6 are also floating. These are connected to a series of components that are missing from the...
  18. davidg5678

    How to connect Roland SC-88 to my Macs?

    In theory, you can just use a cheap USB midi adaptor for this application.
  19. davidg5678

    Recapping Question

    I completely agree. I was convinced for a long time that I didn't need flux, but I was totally wrong. After investing in high-quality parts and tools, the quality of my work has greatly improved. I found that cheap solder wick barely worked at all, but the good stuff does exactly what I want it...
  20. davidg5678

    LC 520 Screen Flickers and Distorts - What should I check?

    Sometimes there are cracked solder joints present that are just really hard to see. Maybe you should reflow everything on the board just in case this is an issue? I once did this to one of my SE/30 boards. I added a little bit of fresh solder and flux to each and every joint, working until...
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