On 9/28/17 7:21 AM, Geoffrey Oltmans via cctalk wrote: > Were any earlier MFM/RLL voice coil/servo > controlled, or were they all stepper drives? >
Most drives 40mb and up are closed-loop with dedicated servo surfaces and many have servos that don't work any more. Maxtor and Atasi are early examples of embedded servo drives. You can tell if a drive is embedded or dedicated by the number of heads, odd if dedicated, even if embedded.
