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 Post subject: USB Flash memory "corruped CHIP is possible"
PostPosted: March 27th, 2009, 15:57 
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Hi to all,

Have a USB 1Gb stick that came to me with the first sectors OK,

But from the sector xx to the end, when i edit the sectors it have all like the picture.

Can be corrupetd chip, is possible to get anything here :(

Attachment:
usb.jpg
usb.jpg [ 103.39 KiB | Viewed 10913 times ]


Thanks
ZeBong

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 Post subject: Re: USB Flash memory "corruped CHIP is possible"
PostPosted: March 27th, 2009, 18:08 
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Sector xx?

How many?

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 Post subject: Re: USB Flash memory "corruped CHIP is possible"
PostPosted: March 27th, 2009, 18:54 
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Sector 0 and 32 , 38 , 44 , 70 with data ( fat32)

the rest is "00"

with data from sector 4644 to 5080

from 5081 to 5098 with "00"

from 5099 to 2 044 414 with "FF"

Last sector 2 044 415 "00"

Have this when editing the sectors.

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 Post subject: Re: USB Flash memory "corruped CHIP is possible"
PostPosted: March 27th, 2009, 19:23 
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seems it is almost empty, probably hardly ever used. Doesn't seem like corrupted, u could not read from it in that case.

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 Post subject: Re: USB Flash memory "corruped CHIP is possible"
PostPosted: March 28th, 2009, 5:48 
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Either that or wiped.

Have you actually tried a s/w recovery?

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 Post subject: Re: USB Flash memory "corruped CHIP is possible"
PostPosted: March 28th, 2009, 8:17 
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Yes the first thing to do.

Just appear one file but is not completed.

something happen and all the rest it looks like wipe out.

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 Post subject: Re: USB Flash memory "corruped CHIP is possible"
PostPosted: March 28th, 2009, 13:25 
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Joined: October 19th, 2006, 11:56
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Someone may have tried poking in it with it's production tool, and have re-written the controller Info?

It happens in that cases..

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 Post subject: Re: USB Flash memory "corruped CHIP is possible"
PostPosted: March 28th, 2009, 15:22 
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How are you reading the data? Directly from the stick or with the chip removed in a programmer?

Have you tried to rework the soldered connections to the memory chip/s? I would try that next.


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 Post subject: Re: USB Flash memory "corruped CHIP is possible"
PostPosted: March 28th, 2009, 18:55 
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dick wrote:
How are you reading the data? Directly from the stick or with the chip removed in a programmer?

Have you tried to rework the soldered connections to the memory chip/s? I would try that next.


I am reading directly from the stick.
Will try that.
Can be the algorithum / encryption , have some problem ?

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