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LabLab



Joined: 17 Oct 2007
Posts: 306
Location: Europe

PostPosted: Tue Jan 29, 2008 19:50    Post subject: SD 512 - SK6612 - many DIFF's
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- Flash type (USB, CF, SD...): SD 512 HAMA
- Controller name: SK6612
- Flash chips amount: 1
- Flash chip name: R1FV04G13R
- Config file content (Show config)
Chip - MNG Japan
ID 0x07 0x29 0x07 0x29
Bits 8
Page 2112
MB 512
COL 2
RAW 3
READ 0x30
SBACK 0x7f


Many DIFF's


- Do you found FAT? yes. Once inverted.
- Is there mix? No
- Do you remove mix? No
I inverted dump.
Procedure:
Block number - SK6612/ 0x8400/all next parameters = default
Filter = Full blocks = tru
Image opened in Image Explorer
MBR is Ok
FAT1 not = FAT2
Dir = OK
all photos = green, but 66% is broken
33% good photos or soft broken

We uploading inverted dump.rar to FTP
Сергей



Joined: 26 Aug 2005
Posts: 20282

Flash-Extractor developer

PostPosted: Wed Jan 30, 2008 1:13    Post subject:
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All i can do is exemine broken FAT block at 0x18000 in image.

As you can see:
4 bad sectors
4 good sectors
4 bad sectors
4 good...

4 sectors = page (smallest write unit)

I think controller was crazy and damage all data :(
LabLab



Joined: 17 Oct 2007
Posts: 306
Location: Europe

PostPosted: Wed Jan 30, 2008 13:45    Post subject:
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Thx Sergey Smile
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