On 03/18/2014 10:14 AM, MikeS wrote:
Then maybe the step rate is just too fast for those
drives? Some systems
did
have an option to set the step rate depending on the drive type.
Are the rails immaculately clean, i.e. no unusual friction? Maybe try
exercising one of the drives for a bit to see if that helps...
Alos, try cranking the step rate down to 15 msec. or so. It seems that
the FD50A is a very slow drive:
https://groups.google.com/forum/#!msg/comp.sys.tandy/RsbfOaWXxog/bJykbvKE5s…
--Chuck