Picture up (RE: Microsci HAVAC)

From: Allison J Parent <allisonp_at_world.std.com>
Date: Tue Oct 13 08:49:39 1998

< the infamous grooved disk? is there anything wrong with that design? loo
< fairly clever and reliable. i havent seen any wear problems with the 20+
< disk drives i have. the only minor issue is adjusting the head stop for
< all you have to do is sight a little dot on the grooved disk (apple call
< cam) with the little metal cam follower and make adjustments as needed.

The biggest is the follower could slip out of the groove requiring manual
intervention. They were also very slow step rates 30-40ms! I also found
that there was enough mechanical hysteresis plagueing them to affect media
portability.

Allison
Received on Tue Oct 13 1998 - 08:49:39 BST