Re: assistance with disk ][ and modern 1.2M floppies

[supertimer@aol.com (Supertimer)]

Paul Guertin <pg@sff.net> wrote:

>supertimer@aol.com (Supertimer) wrote:
>
>> dempson@actrix.gen.nz (David Empson) wrote:
>> 
>> >Supertimer <supertimer@aol.com> wrote:
>> >
>> >> The Disk II will store to only one side but you should notch
>> >> the disk to use the other side.  Why waste it?  ;-)
>> >> 
>> >> The disks are certified double sided after all, so they will
>> >> store 280k.  One volume on each side.
>> 
>> 286k to be exact.
>
>Only if you define a "k" to be 1002.517482... bytes, which
>is a pretty strange definition if you ask me. 256 bytes times
>16 sectors times 35 tracks equals 140 kilobytes, exactly.

DuoDisk manual page 14 paragraph 4:

"A single Diskware disk holds 143,360 (formatted) bytes
of information."

That's 280 blocks times 512 bytes per block = 143,360
bytes.  I'm thinking about ProDOS.