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564
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392
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328
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270




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GUIDELINES FOR DATA RECOVERY OF SIMILAR CASES (from developers):
Current Flash drive has capacity of 32 GB printed on lable, but PHYSICALLY dumps have 64 GB capacity

After all preparations with dump we can see that sectors with data goes with sectors filled by 0000 after each 256 sectors one by one. It's mean that goes 256 sectors filled by data than - 256 sectors filled by 0000 - and this structure is repeating till the end of dump. Unfortunatelly, operation of splitting by blocks with 256 sectors will not help us, because first 512 sectors in block filled by DATA, and final 512 sectors in block filled by 0000. That's why we should use special operation Cut Sectors in Block:

Formula for cutting should be the following:

BEGINNING OF BLOCK  512-256;(256-256)*N;256-512; END OF BLOCK
N=(32768 - (512+256+512+256))/(256+256) = 61

KEEP-DELETE;(KEEP-DELETE)*N(KEEP-DELETE);

GUIDELINES FOR DATA RECOVERY OF SIMILAR CASES(statistical data):
Prepare method Invert Use in 13.7 % cases Parameter variants:
  •  DA+SA (13.7%)
Prepare method Page size transformation Use in 100.0 % cases Parameter variants:

Algorithm: Block Number Type 1 [0000] Use in 49.5 % cases
Algorithm: Translator Type 45 [SM2234H AC] Use in 45.3 % cases
Algorithm: Block Number SM SD/CF Use in 5.3 % cases


Flash device type Controller marking Number of memory chips Number of parts Memory chip marking Memory chip ID Capacity(Mb) Number of solutions
USB FlashSM2234H AC H7831641Unknown (PF368 AL 1052)0x2C68044A163841
USB FlashSM2234H AC H7335 1202 8D42Unknown (PF368 AL 1052)0x2C68044A327681
USB FlashSM2234H AC H6R18842K9GBG08U0M0xECD79472327681
USB FlashSM2234H AC H5A89941MT29F32G08CBABAWP0x2C680446163841
USB FlashSM2234H AC42MT29F128G08CJACA0x2C8805CA655362
USB FlashSM2234H AC (LEXAR PRO 400X CF) **KE** read chip orUSB Flash42Unknown (PF368 AL 1052)0x2C68044A327681
USB FlashSM2234H44JS29F32G08ACMD10x89680446655361
USB FlashSM2234H (Delkin Devices 700X UDMA 6 CF) **KEUSB Flash42JS29FxxG08xAMDx0x89682446327681
USB FlashSM2234H4429F64G08CAMD20x89D7943E655362
USB FlashSM2234H (700x Delkin CF) **KE**4429F64G08CAMD20x89D7943E655361
USB FlashSM2234H (Transcend 400x CF LGA52) **KE**41K9GBG08U0M0xECD79472163841
USB FlashSM223442Unknown (PF368 AL 1052)0x2C68044A327681
USB FlashSM2234H AC41K9GBG08U0M0xECD79472163841
USB FlashSM2234 AC41MT29FxxG08AxxBx0x2C48002681921
USB FlashSM2234H AC H7709742MT29F32G08CBABAWP0x2C680446327681

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Flash device type:     
Controller marking:
Number of memory chips:     
Number of parts:     
Memory chip marking:
Memory chip ID:
Capacity(Mb):


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