TESTFDC usage

[Fred Cisin]

On Thu, 7 Jun 2007, Dave Dunfield wrote:
> F: Single-Sided, 80 track, 96 tpi (can't think of any models)
TM100-3
What does DEC use for that?

> Still (much) less common are:
> G: Double-Sided, 77 track, 100tpi (TM-100-4M)
which existed primarily as a replacement for the Micropolis 100tpi.
The Micropolis 5.25" drives were very reliable, but used a helical lead
screw, which made them kinda slow.