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[-] USB Pendrive 4Gb - 0x45c798b2, no layout   Search  Register  Log in
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Bolo



Joined: 05 Dec 2017
Posts: 119
Location: WorldWide

PostPosted: Tue Jan 15, 2019 13:32    Post subject: [-] USB Pendrive 4Gb - 0x45c798b2, no layout
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  • Flash type : USB PenDrive
  • Flash chip name: SanDisk Cruzer Blade
  • ID : 45 c7 98 b2
  • Bus : 16 bit
  • Controller : SanDisk 82-00199-3 S950-V44200
  • Flash chips amount : 1
  • Dumps amount : 1
  • Totall size: 4 Gb


There are strange pages inside dump - cannot find correct layout for this. If you can look - there are similar case from same controller already:
http://flash-extractor.com/forum/viewtopic.php?t=9494






P.S
As I see ID is supported now - http://www.flash-extractor.com/manual/problem_chips/
Bolo



Joined: 05 Dec 2017
Posts: 119
Location: WorldWide

PostPosted: Tue Jan 15, 2019 13:37    Post subject:
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Upload done
Сергей



Joined: 26 Aug 2005
Posts: 16965

Flash-Extractor developer

PostPosted: Tue Jan 22, 2019 7:00    Post subject:
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Try set Config -> Bus = 16
Bolo



Joined: 05 Dec 2017
Posts: 119
Location: WorldWide

PostPosted: Tue Jan 22, 2019 11:30    Post subject:
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I managed to read it correctly on other reader using same parameters as in FE , unfortunelly there are no layout

Find Layout
-----------
AU6389 528 - 1084/2000
MS_1 528 - 267/2000
MS_1 528 4_1ea - 267/2000

Dumps uploading

P.S
Bus was set at 16 Bit at start - without this even ID cannot be readed
Bolo



Joined: 05 Dec 2017
Posts: 119
Location: WorldWide

PostPosted: Tue Jan 22, 2019 15:41    Post subject:
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Upload done
Сергей



Joined: 26 Aug 2005
Posts: 16965

Flash-Extractor developer

PostPosted: Thu Jan 31, 2019 0:31    Post subject:
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In dump from other reader in each 4 bytes missing two
In dump made with our reader in each 4 bytes missing 3

Bolo wrote:
Bus was set at 16 Bit at start - without this even ID cannot be readed

Bus was set to 16-8

Can try:
Bus = 16
DDR = on
Bolo



Joined: 05 Dec 2017
Posts: 119
Location: WorldWide

PostPosted: Thu Jan 31, 2019 14:18    Post subject:
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Hello,

Uploaded to container few files for check:

16it_DDR = readed with 16 bit bus and DDR ON
16bit_noDDR = readed with 16 bit and DDR OFF
16bit_DDR_PowerMod = readed with 16 bit, DDR ON and Power Mod 1/0x80a8
16bit_noDDR_PowerMod = readed with 16 bit, DDR OFF and PowerMod 1/0x80a8

Are you able to check ?
Сергей



Joined: 26 Aug 2005
Posts: 16965

Flash-Extractor developer

PostPosted: Sun Feb 03, 2019 12:06    Post subject:
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DDR on / DDR off dumps must have other differences
http://www.flash-extractor.com/manual/ddr_bus/

But we have only 2 bytes shift at start of page
And we still do not have 2 bytes from each 4 group

I understand..
Our reader do not support Bus=16 + DDR=On

If your other company reader support this mode, you can try make dump on it
Bolo



Joined: 05 Dec 2017
Posts: 119
Location: WorldWide

PostPosted: Sun Feb 03, 2019 14:29    Post subject:
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Already tried all possible options including own reader made on Arduino - all brings same problems.

Seems it's old SanDisk when they have been not part of ONFI and they use diffrent schemes for reading. If rememebr good it was partially encrypted by adaptive XOR so even if we will read it correctly we will stuck again.

Thank you for your time - you can close this case
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