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imst
Joined: 04 Apr 2012
Posts: 3
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 Posted: Wed Apr 04, 2012 14:25 Post subject: Can the data be recovered from this?
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Hi,
32GB usb flash drive,
Controller = 6690 U2-M6C HLJ71-001C
Flash = 2 x TH58NVG7D2ELA48
This shows up as a generic drive and of 0 bytes.
What is the best method of trying to recover data? I have been googling but need a little help with this.
http://flash-extractor.com/forum/viewtopic.php?t=2418&postdays=0&postorder=asc&start=0
No datasheets for the above chips located.
Thank you.
Edit: I do not have the readers and am looking for a method to read the flash. Desoldering is the last option preferred.
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Сергей
Joined: 26 Aug 2005
Posts: 20281
Flash-Extractor developer
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Posted: Wed Apr 04, 2012 14:55 Post subject:
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imst
Joined: 04 Apr 2012
Posts: 3
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Posted: Wed Apr 04, 2012 17:33 Post subject:
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| Сергей wrote: |  |
Sorry. This is a one off effort and i'm only asking if i can use the copper pads next to the flash to read it. If so some guidance will be highly appreciated. I'm a bit wary of heating the flash after reading on the net that bits might get erased or altered. Are my fears uncalled for from your vast experience? Thanks.
Edit: Is the symptom of the "0 bytes" and "generic drive" a problem with the flash or the 6690 chip if this is known issue? And if it is the problem with the 6690 will a new one or a swap from another good usb drive solve the problem?
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Сергей
Joined: 26 Aug 2005
Posts: 20281
Flash-Extractor developer
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Posted: Wed Apr 04, 2012 18:02 Post subject:
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imst
Joined: 04 Apr 2012
Posts: 3
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Posted: Wed Apr 11, 2012 6:40 Post subject:
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| Сергей wrote: | Yes, you can use this pads
Here is pinout
http://www.flash-extractor.com/manual/adapter_tsop_48/
| Quote: | | if this is known issue |
Yes, data can be recovered with our software/hardware
And memory swap can help in some cases
But check that controller be absolutly same |
OK Thank you for the reply. I will try and find the spares.
Does heating the flash during soldering/desoldering cause any bit errors? Any experience or knowledge in this regards?
Thank you.
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Сергей
Joined: 26 Aug 2005
Posts: 20281
Flash-Extractor developer
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Posted: Wed Apr 18, 2012 18:08 Post subject:
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For this chips heating is ok
of course, use lowest temperature as you can
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