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PENDRIVE 2GB

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sempre

Post subject: PENDRIVE 2GB

Posted: January 13th, 2009, 7:39

Joined: October 14th, 2005, 9:26
Posts: 1029

What problem? :mrgreen:

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pcimage

Post subject: Re: PENDRIVE 2GB

Posted: January 13th, 2009, 13:25

Joined: November 29th, 2006, 10:08
Posts: 7843
Location: UK

Controller chip is not communicating with the nand chip.

Maybe bad solder connection, but probably bad controller.

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sempre

Post subject: Re: PENDRIVE 2GB

Posted: January 13th, 2009, 13:48

Joined: October 14th, 2005, 9:26
Posts: 1029

Look!

Thanks for reply pcimage!!

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pendrive2gb pcb b.JPG [ 15.13 KiB | Viewed 12576 times ]

pendrive2gb pcb.JPG [ 14.82 KiB | Viewed 12577 times ]

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Creator

Post subject: Re: PENDRIVE 2GB

Posted: January 14th, 2009, 1:39

Joined: December 12th, 2008, 17:00
Posts: 181
Location: Cook islands

Very rare case - burnt NAND. Controller is died too. I got about 90-100 damaged flash drives, but I've never seen burnt NAND! :lol:

Nothing possibilities to ged back data from this usb stick.

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sempre

Post subject: Re: PENDRIVE 2GB

Posted: January 14th, 2009, 8:38

Joined: October 14th, 2005, 9:26
Posts: 1029

Creator wrote:

Very rare case - burnt NAND. Controller is died too. I got about 90-100 damaged flash drives, but I've never seen burnt NAND! :lol:

Nothing possibilities to ged back data from this usb stick.

Hi Creator!

Because it has burnt certainty that NAND? :?:

Thanks advanced!

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pcimage

Post subject: Re: PENDRIVE 2GB

Posted: January 14th, 2009, 9:16

Joined: November 29th, 2006, 10:08
Posts: 7843
Location: UK

I don't think the nand is burnt, looks like glue marks to me.

Could be wrong though, the pic isn't too clear. (Or is it my eyes that aren't to clear?) ;-)

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sempre

Post subject: Re: PENDRIVE 2GB

Posted: January 14th, 2009, 13:59

Joined: October 14th, 2005, 9:26
Posts: 1029

pcimage wrote:

I don't think the nand is burnt, looks like glue marks to me.

Could be wrong though, the pic isn't too clear. (Or is it my eyes that aren't to clear?) ;-)

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N.C.

Post subject: Re: PENDRIVE 2GB

Posted: January 14th, 2009, 14:06

Joined: March 28th, 2008, 7:52
Posts: 1466
Location: Europe, Hungary

Creator wrote:

Very rare case - burnt NAND. Controller is died too. I got about 90-100 damaged flash drives, but I've never seen burnt NAND! :lol:

Nothing possibilities to ged back data from this usb stick.

Creator,

NAND chips not have strong power pins like motor controllers, in this way, it can't be burned on the side.

Only in the middle/center.

Regards,
Janos

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Creator

Post subject: Re: PENDRIVE 2GB

Posted: January 15th, 2009, 14:04

Joined: December 12th, 2008, 17:00
Posts: 181
Location: Cook islands

N.C. wrote:

Creator wrote:

Very rare case - burnt NAND. Controller is died too. I got about 90-100 damaged flash drives, but I've never seen burnt NAND! :lol:

Nothing possibilities to ged back data from this usb stick.

Creator,

NAND chips not have strong power pins like motor controllers, in this way, it can't be burned on the side.

Only in the middle/center.

Regards,
Janos

Really? And what can you say about controllers? It can't be burnt too?

I didn't observe glue, it looks like damage.

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craig6928

Post subject: Re: PENDRIVE 2GB

Posted: January 16th, 2009, 6:47

Joined: February 15th, 2006, 3:38
Posts: 1079
Location: canada

that nand is damaged heat outwards.
has taken a good wack for sure.

i would buy another usb pen and swap the flash memory over and see if its works
you might get lucky

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Creator

Post subject: Re: PENDRIVE 2GB

Posted: January 17th, 2009, 16:52

Joined: December 12th, 2008, 17:00
Posts: 181
Location: Cook islands

craig6928 wrote:

i would buy another usb pen and swap the flash memory over and see if its works
you might get lucky

Information for ALL!
NEVER do this if you want to get data back! With some controllers it works, but in some cases using resoldering of NAND chip to the donor PCB with simiral controller you have a big chance to lost data forever...Because some controllers erase newly soldered NAND chip (with data or without it is not important, chip will be filled by "0000" or "FFFF"- mostly depends on the controller vendor) Or you can try resoldering method, but before you should read and save a dumps from the NAND (e.g.using PC3K Flash)

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