I apologise - it has been many years since I even said
the letters
"MFM", and I can't find anybody amongst my circle of friends who
actually knows what MFM/RLL/ST506/ST412 means.
Interesting problem.
title: "Drives we used to love and hate"
Modified Frequency Modulation
Run Length Limited
Seagate ?Technology? 506: 5MB/ 412: 10MB
nice page BTW
John A.