Re: Recovery of Disk project update


<pbdelete@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:4351a3a0$0$41150$14726298@xxxxxxxxxxxxxxxxxx
>
>>Though I don't have the skills to actually do it. There are other people
>>here with more skills than I that maybe sufficient in being able to do it
>>by
>>skill. Money is the next to last question and the why is the very last and
>>important question. Paul will need to develop the skills needed to do all
>>this.
>
> Another approach would be to use a High density (1.2M) drive to read data.
> Because this drive will have a more precise magnetic head. It's supposed
> to
> handle dos 360k discs after all.

We want want that is GCR supporting and capable of working in the track
pattern. Maybe its just a controller thinggy. Not sure. Just something that
would work comparably and with the right logic - place the sensor at the
right spot.

> If one rewire the magnetic heads from the "hysteresis circuit" to a A/D
> instead (which can be desoldered from an TFT screen). Then wire this A/D
> to
> an fpga which in turn is connected to ether/usb/pci/isa etc..
> Now one should have the data in a form that can be analysed with some
> C-code or matlab etc..


> Further modifications could be to replace the stepper motor with one from
> an
> old harddisc. Such that even more precise inter tracking is possible. Or
> even
> a speaker driver (if possible without destroying contents :).
>
> Maybe one can use the magnetic head from a 3,5" hd floppy, or hdd.. to
> improve the precision even more.
> (If anyone have experience in this I'm interested)
>
> What should end up in the analyze computer is more a magnetic picture than
> anything else.

I think Guy Macon can provide some information detail that would make sense.
You can't just put any size sensor necassarily. At the same time, I would
want to logically go along the formatted track/sector according to the
format structure of the disk.

Though what you are mentioning does makes some sense.

Wonder if we want to make it confusing but I would suppose that Paul would
get himself trained.




.

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