[Coco] Floppy drive

Diego Barizo diegoba at adinet.com.uy
Tue Oct 5 19:29:52 EDT 2004


Robert Emery wrote:

>Diego, what kinds of cables are you testing with?
>You say one drive works in the PC, have you tried the rest?
>
>  
>
No, those are CoCo original drives (180 Kb?) no support on the PC for 
those, right?

>If you have a standard PC floppy cable (the old style with
>edge and pin connectors) and a 1.4meg 3.5" drive, you can
>try the following:
>- Use the FD502 drive bay for power, it should have a
>plug that fits on the 3.5" drive, red wire to the outside,
>yellow wire towards the center. It's not the exact
>same plug, but it fits. :-)
>- Plug the PC floppy cable edge connector into the
>controller and the pin connector at the far end
>into the floppy drive (watch Pin1).
>DON'T use the edge connector that is after the twist
>in the floppy cable, use the UN-twisted section only.
>
>Now, if nothing else, DIR1 (not 0) should make the
>drive light up and spin. (MOST, but not all, 3.5"
>floppy drives will already be jumpered as D1.
>
>  
>
Perfect so far....

>Cover the HD hole in a 3.5" disk and try a format...
>DSKINI1. This should tell you if the controller
>is good or not at least.
>
>  
>
IO ERROR as soon as DSKINI1 :(

>Good luck,
>Bob Emery
>
>  
>
Do I have to assume that both controllers are bad then?





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