#: 17342 S12/OS9/68000 (OSK)
    07-Jan-93  18:12:22
Sb: Disk Formats
Fm: Bob van der Poel 76510,2203
To: All

I was fooling around earlier with different disk formats and figured some of
you might be interested in the results. This is on an mm/1 using ed #4 of
rb36c65.

 sector size      256         512        1024
 sct/track         36          21          11
 ileave             2           2           2
 trans. rate     18.6        21.6       23.02   meg/sec (read, write slower)

 disk cap.       1440        1680        1760   kilobytes

You might note that using 1024 byte sectors you get a total storage appx. 33%
greater than the 33 sector/track standard of the mm/1. Some cautions: you may
not be able to exchange disks with other users (or even different disk drives)
if you use the above formats and using a larger sector size means that more
space may be lost with small files.

Timing were done with Mark Griffith's 'ddtest' program.

However, you may want to consider this for 'fsave' and 'lha' type backups of
hard drives, etc.