Well, The Maxtor brand is a hot topic in the forum these day. So, I add one more question in it:

How to determine Checksum ROM from Service Area of Maxtor drives ? As I know, We can Identify the CheckSum of PCB ROM, but how to know it from the SA ? Is the Information of Checksum ROM is contained anywhere in the Modules also ?

I am asking this, because I have some maxtor slimline drives, in which I want to confirm, that this PCB is drive's original PCB or not ? Is there any other way to confirm this apart from checksum ROM issue ?

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Bitlevel Data Recovery

Hi there, using overlays info ! You can compare the info inside with the physical PCB config.

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My Forum

"ROM checksum" in PC3000 is checksum of module 39 (2 last bytes).

anybody know how to calculate checksum manually ??

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СУТИОНО / АПИНГ

Thanks starling for the helpfull response.

and how to know it from the "PCB" ?

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Bitlevel Data Recovery