[Coco] Floppy hardware...

billg999 at cs.uofs.edu billg999 at cs.uofs.edu
Wed Jan 15 09:11:40 EST 2014


> Good evening!
>
> I'm having a devil of a time building a complete 2xDSDD 5.25" floppy
> system for my CoCo 3. I've got a complete one-drive FD-502, and a complete
> one-drive FD-500 (with the 26-3029 controller).
>
> The FD-500, I discovered, only has a TEC FB-501 180K SSDD drive.
> The FD-502, while it has a Mitsumi D502 360K drive, has unusual power
> connectors – not the standard 4-pin Molex, and it doesn't match the 4-pin
> mini-Molex found on 3.5" drives. The two-drive-bay enclosure has support
> for a second drive, but the included power connector is the same odd 4-pin
> that doesn't match a mini-Molex.
>
> I bought a Chinon FZ-502 off Fleabay, which should be a 360K drive. It's
> got a standard large 4-pin Molex power connector.
>
> Is the pinout on the power connectors in the FD-500 and the FD-502 the
> same? Could I install the Chinon into the FD-502 case by cutting out the
> odd power connector and splicing in a spare 4-pin Molex?
>
> Don't even start me on the fun I had mistakenly buying what was labeled as
> a 360K TEAC drive on Fleabay and discovering what arrived was actually a
> 1.2MB TEAC-55GFR.
>

Should be able to jumper that for 360K.  GFR's are very flexible.

bill






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