Reading ESDI disks

Al Kossow aek at bitsavers.org
Thu Feb 11 12:09:39 CST 2021


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.



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