Secret weapon how to promote your YouTube channel
Percom controller for the Atari computer runs FOUR drives.
Here the Percom AT88SPD controls four SA400compatible mechanisms:
A singlesided 40 track 5 1/4" mech (90k)
A doublesided 80track 5 1/4" mech (720k),
A doublesided 40track 5 1/4" mech (360k),
and a doublesided 80track 3 1/2" (720k) mechanism.
