[Coco] Disk Problems

Arthur Flexser flexser at fiu.edu
Thu Feb 9 20:47:30 EST 2012

Have you tried cleaning the disk controller's contacts with a pencil
eraser or some such thing?  You'd be surprised how often oxidation is
the culprit in weird disk-related failures.

And no, OS-9 makes no use of the ROMs once it is booted up.


On Thu, Feb 9, 2012 at 8:32 PM, K. Pruitt <pruittk at adelphia.net> wrote:
> I'm having a disk problem and figured I'd ask if anybody here has any idea
> on what may be going on.  Under OS9 Level II I am having no disk problems at
> all.  I can read and write without problem.  Under RSDOS I can read the disk
> with no problem but cannot write to the disk.  If I try and save to disk it
> appears to save, but the file is not actually present on the disk.  If I
> turn verify on it errors out instead of pretending to write to disk.  DSKINI
> always results in an I/O error.  This problem occurs on both floppy drives
> in my system.
> My disk controller is a disto super controller 2 with a tandy rom chip in
> it.  Does OS9 utilize that rom chip at all?   I double checked the inside of
> the pack and everything is plugged in correctly.  I'm the original owner of
> all the equipment involved.  It did work the last time I used it... which
> was like 20 years ago.
> Thanks for any help you can provide.
> --
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> Coco at maltedmedia.com
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