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Mike



Joined: 16 Feb 2006
Posts: 205
Location: UK

PostPosted: Wed Feb 06, 2008 20:16    Post subject: Sandisk Cruzer 256 MB
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Hi:

Processor: 20-99-00059-3
NAND: SDTNGCHEO-2048 (256 MB)

MNG = SunDisk
ID = 45 da a5 c0
Bits = 8
Page = 528
Block = 0x0
MB = 256
COL = 2
RAW = 3
READ = 30
SBACK = 0
RE_Down = 4
RE_Up = 2
SE_ = 0

Modified from 1024 version.
Page size set to 528 after 2112 give errant data (lots of differences and many blocks with last 128 bytes set to 0x30, 0x00, etc.

With Bits = 16 I get no ID

Have got a dump with some data but can not find FAT?? or FAT tables. I think there is a problem with the read routine ..

Any ideas ?

Mike
Сергей



Joined: 26 Aug 2005
Posts: 20282

Flash-Extractor developer

PostPosted: Wed Feb 06, 2008 22:20    Post subject:
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Look for dirs:
[.][space][space][space][space]
Mike



Joined: 16 Feb 2006
Posts: 205
Location: UK

PostPosted: Thu Feb 07, 2008 13:06    Post subject:
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hi Sergei,

I can see directoy entries but they seem to be offset from where they would be expected typically 8 bytes.

I have rar'ed and uploaded to FTP. The compressed file size is only 1.5 MB...

Mike
Сергей



Joined: 26 Aug 2005
Posts: 20282

Flash-Extractor developer

PostPosted: Thu Feb 07, 2008 13:57    Post subject:
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What file name? :)
Mike



Joined: 16 Feb 2006
Posts: 205
Location: UK

PostPosted: Thu Feb 07, 2008 14:41    Post subject:
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Sorry Sergei,

File name : Mike 7346.rar
Сергей



Joined: 26 Aug 2005
Posts: 20282

Flash-Extractor developer

PostPosted: Tue Feb 12, 2008 19:29    Post subject:
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Mike!

Make for me please:

Page Cal Raw
528_1_3
528_2_2
528_2_3
Mike



Joined: 16 Feb 2006
Posts: 205
Location: UK

PostPosted: Tue Feb 12, 2008 21:42    Post subject:
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hi Sergei,

Currently uploading.

I compared the files using Winhex File Compare and 528-2-2 and 528-2-3 gave identical dumps so I have only uploaded

528-1-3 and 528-2-2 to save time ansd space.

Mike
Mike



Joined: 16 Feb 2006
Posts: 205
Location: UK

PostPosted: Tue Feb 12, 2008 21:43    Post subject:
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oops ..

File name us Mike 7346-2.zip

Mike
Сергей



Joined: 26 Aug 2005
Posts: 20282

Flash-Extractor developer

PostPosted: Wed Feb 13, 2008 14:57    Post subject:
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In 528_1_3 i found FAT :)

Please make for me:
2112_1_3
2112_2_2
2112_2_3
Mike



Joined: 16 Feb 2006
Posts: 205
Location: UK

PostPosted: Wed Feb 13, 2008 16:42    Post subject:
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Hi Sergei,

Using page = 2112, all 3 dumps gave diff errors at evey sector during verification.

Using page=528 I only got errors on dump 1-3

Do you still want these dumps, or is there something else you want me to try first?

Mike
Сергей



Joined: 26 Aug 2005
Posts: 20282

Flash-Extractor developer

PostPosted: Wed Feb 13, 2008 16:47    Post subject:
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yes, i need this dumps
Mike



Joined: 16 Feb 2006
Posts: 205
Location: UK

PostPosted: Wed Feb 13, 2008 20:50    Post subject:
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Hi Sergei,

Uploaded as

Mike 2112-13-22-23.rar

Mike
Mike



Joined: 16 Feb 2006
Posts: 205
Location: UK

PostPosted: Thu Feb 21, 2008 19:06    Post subject:
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Any news on this one Sergei?

Mike
Сергей



Joined: 26 Aug 2005
Posts: 20282

Flash-Extractor developer

PostPosted: Thu Feb 21, 2008 19:11    Post subject:
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528-1-3 is best
I found all portions of FAT.

But they repeats twice.
I feel this dump i wrong too

I keep it in mind!
Mike



Joined: 16 Feb 2006
Posts: 205
Location: UK

PostPosted: Fri Feb 22, 2008 17:54    Post subject:
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I managed to recover this one Smile

What I did - Resoldered the chip back to the board and I could access the data!

It must have been a bad connection that was fixed when I resoldered.

Good result Smile

Mike
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