On Wed, Sep 27, 2017 at 11:16 AM, allison via cctalk <cctalk@classiccmp.org> wrote:
> >> > IDE disks format usually meant high level only. SCSI could be either > depnding on the specific controller and media. > > Seems like the omission of low level formatting of IDE drives had more to do with preserving the servo track data, (and maybe aforementioned firmware/bad sector data) yes? Were any earlier MFM/RLL voice coil/servo controlled, or were they all stepper drives?