On 2/11/21 10:03 AM, Josh Dersch via cctalk wrote:
Al's right in this case. In addition to the
controller almost certainly
using a different low-level format than whatever your friend's disk was
written with
Another issue with ESDI is the drive has the data separator on it and the data
rates off of the drive were anywhere from 10 to 2x megabits/sec.
The higher density drives just upped the data rates and packed the sectors tighter.