MFM/RLL data recovery
cctalk at randy482.com
Mon Apr 4 19:04:24 CDT 2005
From: "Tom Peters" <tpeters at mixcom.com>
Sent: Monday, April 04, 2005 6:38 PM
>>If you are trying to recover files you are probably wasting your time, the
>>XT controllers used unique formatting and you will never read the data off
>>of the drives without using controllers indentical with ones used
>>originally. It is not good enough to use the same brand or even chipset.
> I have been able to read many old MFM drives and the occasional RLL drive.
> When the original controller was jumpered to lie about head or cylinder
> count or other facts of drive geometry, I have be largely unable to read
> those. This was several years ago.
I would be willing to bet you are talking about 16 bit controllers, most 16
bit controllers are interchangeable. Very few 8 bit controllers are
More information about the cctalk