MFM/RLL data recovery
Fred Cisin
cisin at xenosoft.com
Wed Apr 6 16:18:20 CDT 2005
On Wed, 6 Apr 2005, Bill Allen Jr wrote:
> Hmm,
> He states "i am useing a floppy cable with a twist in
> it and a 20 pin data cable."
> hard drives did not use a twisted cable on them.
IBM DID use a twisted cable for hard drives!
It was not the same twist as the floppy cable.
If IBM hadn't used a twisted cable, (or a cable with missing pins ala RS)
then they would have had to teach their people about drive select jumpers!
> the used a 34 pin (data) and a 20 pin(control)
> streight thru cable(s.
The IBM 34 pin WAS twisted. It was not the same twist as the floppy
cable.
--
Grumpy Ol' Fred cisin at xenosoft.com
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