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>> ECC. This is definitely not a CRC32. The algorithm
in
>> general looks like shift register for polynomial
>> multiplication with polynomial equal to
>> x32+x28+x26+x19+x17+x10+x6+x2+1 .
> It's a polynomial code not unlike a CRC. (Note that
a CRC
> works as an error-correcting code, but aren't as
good at
> burst error detection/correction as codes designed
for that
> purpose.) It could be a BCH code. Older disk
subsystems
> on "big iron" used Fire code, but I'm not
aware of
that
> even having been used on small Winchester drives.
Yes. Indeed. I checked it again and it is the regular
CRC circuit with unusual initial value and polynomial.
Thank you.
Alexander.
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