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Maxtor module checksum

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vlaszlo

Post subject: Maxtor module checksum

Posted: July 4th, 2009, 14:11

Joined: September 24th, 2006, 3:25
Posts: 38

HI hdd gurus !

I have a simple question.
Can winhex calculate maxtor .rpm checksum ?
(and how if not secret)

regards

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BlackST

Post subject: Re: Maxtor module checksum

Posted: July 4th, 2009, 15:59

Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY

Simple answer: examine some simple known good module and you'll find a way with winhex too. ;-)

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vlaszlo

Post subject: Re: Maxtor module checksum

Posted: July 6th, 2009, 19:46

Joined: September 24th, 2006, 3:25
Posts: 38

thans for the great tip...

I am testing some bit rotation algorithm in borlandc
just dont know what to do with carry, and are the numbers signed or unsigned?
weird...

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vlaszlo

Post subject: Re: Maxtor module checksum

Posted: July 8th, 2009, 16:38

Joined: September 24th, 2006, 3:25
Posts: 38

Ohh, i found the way...
It is different for DSP and PKR.

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pepe

Post subject: Re: Maxtor module checksum

Posted: July 11th, 2009, 19:07

Joined: October 3rd, 2005, 0:40
Posts: 4753
Location: Hungary

Yes,

DSP is simple, Pkr is somewhat more complicated.

pepe

_________________
Adatmentés - Data recovery

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