Reading ESDI disks

Nigel Johnson nw.johnson at
Thu Feb 11 11:45:11 CST 2021

On 2021-02-11 12:41 p.m., Al Kossow via cctalk wrote:
> On 2/11/21 9:33 AM, Nigel Johnson via cctalk wrote:
>> I'm about to try the very same thing.
>> I have a MicroVAX II with a sigma MSCP ESDI controller.  It can be set
>> for soft-secoring or various numbers of hard sectors.  That is what I
>> see is the big issue with these drives.
>> A friend gave me two drives that had been written on a PC under *nix.
> There is little chance this will work for the same reason you can't use
> an arbitrary disk/controller combination for PC recovery.
Doesn't stop me trying, Al. Lots of things were achieved by people who
didn't know they couldn't do it!

My controller has settings for different sector sizes.  I owe it to my
friend to try!

Amateur Radio, the origin of the open-source concept!
Skype:  TILBURY2591 nw.johnson at

More information about the cctech mailing list