3.5" Altair CP/M
Roy J. Tellason
rtellason at verizon.net
Sun Jun 3 12:54:09 CDT 2007
On Sunday 03 June 2007 06:38, Grant Stockly wrote:
> Were single sided single density 5.25" disks ~70k? The 3.5" drive does
> sound different than it usually does. : )
Well, my recollection is that the single-sided disks on my Osborne held 183K.
A single-sided "pc" disk held roughly 180K as well, so half of that would be
90K. Those were 9 sectors/track, and I seem to remember an 8 sectors/track
format as well, giving 80K? Not too far off, I guess.
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
Information is more dangerous than cannon to a society ruled by lies. --James
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