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 Post subject: u14 dead
PostPosted: February 3rd, 2017, 0:07 
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Joined: December 15th, 2014, 21:56
Posts: 7
Location: Canada
hi
wd my passport 1tb
i have killed the U14 rom chip that is related to the USB bridge
can i found the firmware for that chip somewhere(this firmware it is specific for each hdd?)
thank you


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 Post subject: Re: u14 dead
PostPosted: February 3rd, 2017, 1:43 
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Joined: January 28th, 2009, 10:54
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Location: Greece
What is your purpose?
If you want to recover data you don't need U14.

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 Post subject: Re: u14 dead
PostPosted: February 3rd, 2017, 4:09 
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Joined: March 11th, 2008, 4:35
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Location: Bangladesh
You can collect U14 from another PCB if you still need it. For DR it's not required as replied.

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 Post subject: Re: u14 dead
PostPosted: February 3rd, 2017, 20:41 
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Joined: December 15th, 2014, 21:56
Posts: 7
Location: Canada
hi,
yes, i am trying to recover some data.
usb-sata bridge is dead and i have killed the u 14
what kind of information is stored in u 14?
what are my options without u14?
i have a very good elecronical skils (matherboard repaire) but not in hdd repaire,so i need a little bit of help and information
thank you


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 Post subject: Re: u14 dead
PostPosted: February 3rd, 2017, 21:03 
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Joined: December 19th, 2006, 8:49
Posts: 10828
Location: Portugal
I think that you can either buy another SATA-USB board bridge that have the exact same number as yours to decrypt your data or you can try to image your drive to a image file and see if ReallyMine can decrypt it.

u14 have code to handle the encryption and the USB to SATA bridging, it doesn't have drive specific adaptives and and code, so as long as you don't damage the ROM chip on the DRIVE PCB you should be good to go ...

As a matter of fact even if you damage the ROM on the drive PCB it is not the end of the world on WD drives ...

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 Post subject: Re: u14 dead
PostPosted: February 3rd, 2017, 21:11 
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Joined: December 15th, 2014, 21:56
Posts: 7
Location: Canada
hi
i have a lot of wd hdd sata matherboards with the same configuration of ram, chipset, and motor driver
i supose that i can change only the bios chip? :!:
what is the next step?
thank you


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 Post subject: Re: u14 dead
PostPosted: February 3rd, 2017, 21:47 
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Joined: December 19th, 2006, 8:49
Posts: 10828
Location: Portugal
Ok ...

What is the full model of the drive ???

Are you saying that you klled the U14 chip on the DRIVE PCB ? Meaning the drive PCB is USB only ?

I was under the impression that you have a external box with a bridge pcb independent from the drive.

If you killed the U14 and the USB bridge on the drive PCB then you can as you mentioned use a compatible SATA pcb and/or convert the USB PCB to SATA by soldering sata tx/rx pairs from the PCB to a SATA port bypassing the bridge USB. But as you stated that you have many SATA PCBs check here :

http://www.hddoracle.com/viewtopic.php?f=7&t=1080

Just get a PCB that is compatible with your USB one and swap the ROM chip or re-program ROM on the new SATA PCB.

Now remember the drive will work but the DATA WILL BE ENCRYPTED. So you will have to IMAGE the drive to another one and try to decrypt it with ReallyMine.

Other option will be to buy another PCB from the same model/family of drive (or that have the exact PCB number) and swap U12 to it. This way if the drive doen't have any further problem apart from damaged USB bridge on the old PCB it should work and decrypt data on-the-fly.

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 Post subject: Re: u14 dead
PostPosted: February 3rd, 2017, 22:18 
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Joined: December 15th, 2014, 21:56
Posts: 7
Location: Canada
hi,
hdd model: WD10JMVW-11S5XS0
PCB: 2060-771801-002 rev.A with JMS 538S

and sata board that i found
PCB: 2060-771823-000 rev.A
ReallyMine will decript data for 100%?
THANK YOU


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 Post subject: Re: u14 dead
PostPosted: February 3rd, 2017, 23:20 
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Joined: December 19th, 2006, 8:49
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Location: Portugal
771823 (SATA) is fully compatible with 771801 (USB).

ReallyMine might not decrypt your data. It only supports some types of encryption and encryption chips.

https://github.com/andlabs/reallymine

It should support AES-256-ECB JMicron

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 Post subject: Re: u14 dead
PostPosted: February 4th, 2017, 3:10 
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Joined: September 8th, 2009, 18:21
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Location: Australia
JMS538S is supported by reallymine. The encryption is handled by the bridge, not the drive.

In fact, in this case, the absence of U14 would be an advantage. That is, when U14 is removed, the bridge should identify itself as a JMicron rather than a Passport, and the whole drive, including the SmartWare area, should now be visible to the OS.

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 Post subject: Re: u14 dead
PostPosted: February 6th, 2017, 15:08 
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Joined: December 15th, 2014, 21:56
Posts: 7
Location: Canada
hi
can i change only the jmicron chip


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 Post subject: Re: u14 dead
PostPosted: February 6th, 2017, 15:29 
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Joined: September 8th, 2009, 18:21
Posts: 11824
Location: Australia
Use 771823 with reallymine (after transferring U12).

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 Post subject: Re: u14 dead
PostPosted: February 6th, 2017, 16:58 
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Joined: October 21st, 2007, 8:48
Posts: 1344
Firebird.
If you have another one the same family and capacity you can take an image from patient to donor via SATA interface and convert the donor to USB interface with it's original USB PCB.
Sure if really mine doesn't work.
Good luck.


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 Post subject: Re: u14 dead
PostPosted: February 6th, 2017, 23:35 
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Joined: December 15th, 2014, 21:56
Posts: 7
Location: Canada
hi
what do you mean same family?
the same number of board or the same chip(jmicron),
i have a lot of boards with j micron but different year
thank you


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 Post subject: Re: u14 dead
PostPosted: February 7th, 2017, 11:30 
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Joined: October 21st, 2007, 8:48
Posts: 1344
I meant same model and capacity.
Do you have any DR tools (PC3K, MRT....etc)?

If not, convert it to SATA interface and try reallymine first

Good luck.


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 Post subject: Re: u14 dead
PostPosted: February 10th, 2017, 20:18 
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Joined: December 15th, 2014, 21:56
Posts: 7
Location: Canada
hi
no i don<t have dr tools
so, heads are dead too.
how can i change them
ther is a sn or i can take from the spare 1tb hdd
some inf please


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 Post subject: Re: u14 dead
PostPosted: February 10th, 2017, 20:33 
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Joined: April 3rd, 2011, 0:19
Posts: 1940
Location: Providence, RI
Without any proper tools, you're just wasting your time. You'll never get the drive stable enough after replacing heads to extract all the data.

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