[Coco] FD-500 Floppy Drive

[Rob Rosenbrock]

I remember one of these computers used the other side of the disk, but I can't recall if it was Apple, Atari, or Commodore.

Is it possible that the 'correct' side is not usable? Perhaps converting it to a flippy for a test?

On Oct 24, 2010, at 3:51 PM, Mark Ormond wrote:

> All of the disks I'm using have the index hole.
> 
> 
> -----Original Message-----
> From: coco-bounces at maltedmedia.com [mailto:coco-bounces at maltedmedia.com] On Behalf Of Arthur Flexser
> Sent: Sunday, October 24, 2010 2:29 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] FD-500 Floppy Drive
> 
> 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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