Multi-platform distribution format (Was: Backups [was

Jon Elson elson at
Sun Sep 20 22:08:25 CDT 2015

On 09/20/2015 03:46 PM, ben wrote:
> On 9/20/2015 2:19 PM, Fred Cisin wrote:
>> There were several reasons why there was never a STANDARD 
>> 5.25" CP/M
>> format.  I once had the opportunity to ask Gary Kildall 
>> what the
>> standard would be for 5.25".  He replied, "8 inch single 
>> sided single
>> density".  I repeated, "Yes, but waht about 5.25"?  He 
>> repeated, "8 inch
>> single sided single density".  I understood, but was not 
>> much enlightened.
> I was just digging in to old CP/M a bit and it was/is tied 
> mostly
> to the IBM 8" standard floppy and the floppy interface 
> used at the
> time. Even that gave a very small amount memory per track.
It was fairly easy to make CP/M work with other disk types 
and formats.  Even **I** was able to write a driver to add a 
SASI Winchester drive to my CP/M system.  (That made it run 
SOOO much better!)


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