Mark J. BlairFeb 21
Does anybody remember this #S100 computer from back when I was on twitter? I don't think I've done anything with it since around 2017, and mice have visited it since then. Let's spend a little time with it and clean it up.
Show threadMark J. BlairFeb 21

I think this came from some company that built (or repaired?) hard disk drives. The cards and power harness had been removed, but the case has a nice 7-slot S-100 backplane and a pair of especially nice Mitsubishi M2896 8" floppy disk drives. Back around 2016, I built a new power harness and fitted it with a #Compupro #S100 board set.

The little rack it's in flips right over with the computer rolled out on its rails, so I made a pair of legs with 80/20 extrusion. They're a bit cumbersome to use, but they were easy to make.

Show threadMark J. BlairFeb 21

Here is the #Compupro #S100 card set I put in the system:

  • DISK1 (floppy disk controller)
  • SYSTEM SUPPORT 1
  • CPU-Z
  • RAM17
  • INTERFACER4

    • There are two more slots free for future expansion.

    That empty spot to the left of the floppy drives is just the right size to stash a copy of The CP/M Handbook by Rodnay Zaks.

    Show threadMark J. BlairFeb 21
    I didn't like the exposed screw terminals on top of the big electrolytic capacitor. I had previously just covered them with some kapton tape, but for this revisit I made a 3D printed cap to cover the top. It snaps on top of the capacitor and grabs the groove near the top of the can.
    Show threadDaniel CarosoneFeb 21
    @NF6X neat. slip-on silicone boot things would be the typical solution, this is more fun
    Show threadMark J. Blair
    @uep One of those would be delightful. I'm not sure where to buy those, and anyway I just wanted to make something overcomplicated for the sake of making something overcomplicated.
    Feb 21 at 5:39amWeb
    Show threadDaniel CarosoneFeb 21

    @NF6X any old electrical store, they're common for auto-electrical fittings, various sizes, etc.

    And, yes, clearly, you did with great success.