28 Dec
2010
28 Dec
'10
5:06 p.m.
On 28 Dec 2010 at 16:52, Geoffrey Reed wrote:
ISTR: the 8" drives at least as used in tandy
computers formatted out
to 77 tracks....
That's standard for all 8" drives--and it's "cylinders", please!
8"
drives can be double-sided with 2 tracks per cylinder.
The "M" in the TM-100-4M stood for "Micropolis"--not only for the 100
tpi physical format, but also for the somewhat different pinout from
the 96 tpi TM-100-4.
--Chuck