
27th May 2009, 12:50 am
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Senior Member
Valued Member
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Join Date: Aug 2007
Posts: 1,240
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Re: Has anyone on here used the (H2testW 1.4) to very capaci
That's the "brute force" way, which is not a good idea if you want to make use of the limited write cycles in these flash chips (MLC started out around 10K endurance and has now dropped to around 1,800 for some of the latest high capacity NAND flash), not to mention you might end up overwriting the firmware if the flash really is smaller than it says it is. Reading the unique manufacturer identification code is the best way -- it's impossible to alter (unlike the physical markings, which can easily be ground off and relabeled) since it's hardcoded in the die itself -- tools like s1clone and s1res will be able to read this ID.
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