[Coco] FD-500 Floppy Drive

[Arthur Flexser]

My vague recollection is that Commodore disks might not have an index hole,
needed on the CoCo only for formatting.  This is a hole adjacent to
the center of the disk, both in the disk itself and in the envelope
containing it.  You can make one with a paper punch if you're careful.

Art
On Sun, Oct 24, 2010 at 2:19 PM, Mark Ormond <markormond at mtxsystems.com>wrote:

> I've got a fd500 drive that has write / verify errors.
>
> I'm trying to use disks from my c64 setup, some new some older.
>
> The no name disks I bought a couple of years ago fail to format, the really
> old compute gazettes disks will format but when I use
>
> All of the disks function normally on a commodore 1571. (In Single sided
> mode).
>
> Using Disk Utility Version 2.1a to copy one I get verify errors.
>
> The power supply is putting out a steady 4.98 and 11.96 volts.
>
> I've cleaned the head, But the spindle motor sound strange. I thought it
> might be an old or worn belt, but these drives have no belts.
>
> Any suggestions?
> (And I don't have any other 5.25 low density drives around to try in the
> enclosure).
>
>
> Later,
> dabone
>
>
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