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Bolo



Joined: 05 Dec 2017
Posts: 282
Location: 506F6C616E64

PostPosted: Tue Jan 28, 2020 17:04    Post subject: USB Pendrive, SSS6130, 0x98d78493, 2x4
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  • Flash type : USB stick / LGA60
  • Controller: SSS6130
  • Totall size: 32Gb
  • ID : 98 d7 84 93
  • Banks: 4
  • Chips: 2
  • Sector: 1024_4_70
  • XOR: 809E (???)
  • Layout for ECC: SSS6130 1096 Xor 7F61_256


Need help with reconstruction/mix from this case - I was able to get small documents and photos covered by block but all bigger size data are corrupted.

NOTES 1396:
1) Attached block with MBR from case with after apply XOR 809E looks OK so it seems that it will need new layout (not 7F61) but I don't have idea how to unite readed banks and tried almost everything now.

Uploading
IMG_8907.jpg
IMG_8906.jpg
Bolo



Joined: 05 Dec 2017
Posts: 282
Location: 506F6C616E64

PostPosted: Tue Jan 28, 2020 19:21    Post subject:
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Upload done
Сергей



Joined: 26 Aug 2005
Posts: 17625

Flash-Extractor developer

PostPosted: Wed Jan 29, 2020 22:06    Post subject:
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0x154c00000 MBR 3f 5f
0x53c00000 4f 6f

7f not found
8f not found

FAT32 missing

So, part of data is mising
May be there is more then 2 banks
Bolo



Joined: 05 Dec 2017
Posts: 282
Location: 506F6C616E64

PostPosted: Thu Jan 30, 2020 13:41    Post subject:
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You got right - additional banks for each chip found.

Uploading new dumps again
Сергей



Joined: 26 Aug 2005
Posts: 17625

Flash-Extractor developer

PostPosted: Thu Jan 30, 2020 14:08    Post subject:
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Say when ready
Bolo



Joined: 05 Dec 2017
Posts: 282
Location: 506F6C616E64

PostPosted: Thu Jan 30, 2020 16:13    Post subject:
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Upload done
Bolo



Joined: 05 Dec 2017
Posts: 282
Location: 506F6C616E64

PostPosted: Tue Feb 04, 2020 12:41    Post subject:
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In last 3 days I was able to fix many of errors in those dumps - now looks much better (specially for 02 banks in chip)

Reuploading now dumps to container
Bolo



Joined: 05 Dec 2017
Posts: 282
Location: 506F6C616E64

PostPosted: Tue Feb 04, 2020 15:58    Post subject:
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Upload finished
Bolo



Joined: 05 Dec 2017
Posts: 282
Location: 506F6C616E64

PostPosted: Fri Feb 14, 2020 11:10    Post subject:
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Any update maybe here ?
arvika



Joined: 18 Nov 2009
Posts: 1731
Location: Poland

PostPosted: Fri Feb 14, 2020 12:29    Post subject:
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809E and 7F61 is same, maybe different block for XOR?
Bolo



Joined: 05 Dec 2017
Posts: 282
Location: 506F6C616E64

PostPosted: Fri Feb 14, 2020 18:35    Post subject:
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Maybe..... problem is with image assembly here ;( Unfortunelly donor for LBN are not available
Сергей



Joined: 26 Aug 2005
Posts: 17625

Flash-Extractor developer

PostPosted: Fri Feb 14, 2020 21:54    Post subject:
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It is impossible to make this case in FE

02_01 0x54c04000 3f 5f MBR -> 3f 01
01_01 0x53c04000 4f 6f

02_02 0x53c04000 7f 9f
01_02 0x53c04000 8f af

02_03 0x53804000 bf df
01_03 0x53804000 cf ef

02_04 0x53c04000 ff 1f 01
01_04 0x53804000 0f 01 2f 01

01bF0000/h/0x100000/0x4000

As you see
first mix step is only 0x4000 from each dump
but next step is 0x4000 * 2 from each dump

It is not linear
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