I also picked up a good floppy cable. I verified it worked with the current 3.5" drive.
I retested the 360K and 1.2M floppy drives and they all still failed. The 360K drive just wouldn't spin when accessed. The 1.2M drive would spin, but "track 0 bad" kept coming up when formatting a known good disk - and that's after I gave the drive a good cleaning. Like I said before, no surprise.
But I did discover why I was getting some strange things in testing before. I had left the resistor packs on and I had them hooked up before the twist in the cable (i.e. in the middle). Ya, that won't work because those resistor packs terminate the bus.
Anyway, a new (smaller) case is coming. I may bid on the new 360K IBM drive that's on eBay just to have a real vintage-like system (we'll see).
Overall, I'm still happy with the NuXT, but if I knew then what I know now, I might not have purchased it.
Another update:
I was doing some research and I ran across this video titled "Why most 5.25" Floppy Drives seem broken, but aren't!" So using that data, I retested my 1.2M and 360K floppy drives and they both work! Yay!
Now the hard part is figuring out which one I should use.
Update:
The 360K one. It has a black face, which matches the case.
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