Can't read CP/M disks on PC

David Cantrell david at cantrell.org.uk
Tue Mar 8 04:50:47 CST 2005


On Mon, Mar 07, 2005 at 08:56:35AM -0800, Vintage Computer Festival wrote:
> 
> So now that I've got the 8" drive running well on the PC, I am trying to
> read 8" CP/M disks.  22Disk is giving me sector not found errors
> (cylinder 2, side 0, sector 1) and the DOS CP/M tools are giving me
> "Unknown floppy disk format", even on disks that read fine on my NEC APC.
> 
> I tried reading in a sector using debug but I also get read errors.

What happens when you try to read cylinder 0 side 0 sector 1?  Same
errors?  Try all the other possible sector numbers - CP/M disk formats
often use crazy sector numbers.

-- 
David Cantrell | http://www.cantrell.org.uk/david

  When one has bathed in Christ there is no need to bathe a second time
      -- St. Jerome, on why washing is a vile pagan practice


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