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Data recovery - Page 2

post #11 of 16
Thread Starter 
Ugh. I have 4 2TB drives coming in right now. I can always use them as RAID, but I was hoping to use none of them in my recovery attempt. I could still try as long as I don't screw up my data even if it doesn't work. But I am afraid the data might be at risk if it doesn't work.Maybe I will have no choice but to try.
post #12 of 16
If the data really means to you then do not try anything of your own as it can destroy your data permanently. You have already done with so much of head hunting but results are not as you expected. So I suggest you read about BIOS or take the help of data recovery experts if you could not spend for recovery tools.
post #13 of 16
You cannot just replace a PCB and expect it to work. You have to make sure the PCB itself is compatible (even the same drive models will have different PCBs, processors, etc), the ROM has to be transferred WITHOUT cooking it and some luck. Hopefully the motor coil isn't burnt out because that would really suck. And no, you cannot just "swap platters".

There are model numbers printed on the PCB itself. A good place to go to is donordrives.com to pickup the part you need. However, I would HIGHLY recommend against doing this if you don't have a clue as to what you are doing. Especially if it is a Seagate drive. If you cook the ROM, there is no recovery. You cannot rebuild the ROM from the SA on the drive (Western Digital drives allow for this). Even if you could, you need special software and sometimes tools (com port) to communicate with the drive. Also, if you transfer the rom, you got to make sure the chip is put the same way it needs to be (there is a little dot that indicates pin 1).

Please, for the love of all that is good do not attempt this unless you are willing to accept absolute loss of your data. Either that or pay out through the noise for recovery.

Edit: Firmware match isn't important if the ROM is transferred. >.>

Edit 2: And yes, using the wrong board could cause problems. I have seen an incompatible board put onto a drive and kill the pre-amp on the HSA (head stack assembly). When that happens it requires a head exchange from a donor drive. That costs even more money. Like I said, leave it alone if you are not willing to accept the loss of your data if you mess up. Also, I am not going to offer any other help than this. A lot of data recovery companies do offer payment plans if you need to.

Edit 3: I forgot to mention. I have also seen where even with a donor part, PCB and ROM swap that the drive still has issues. Hell, I am currently dealing with one that keeps hard locking its own firmware... and this one HAD a bad PCB and a ROM swap performed. Real pain in the butt. Every time the drive power cycles when it hits a bad sector it requires a rodeo of work to get it going again... Yes, this is a Seagate drive that came from a system with a power supply that cooked everything. You could even get lucky and just be able to remove the TSVs from the drive. Though I wouldn't count on that.
Edited by Lord Xeb - 10/6/16 at 10:35pm
 
Gsvlip Dudyrm
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Gsvlip Dudyrm
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Oda'maksv
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post #14 of 16
Thread Starter 
Thanks for the input.

Basically, the PCB was shot. I tested the drive itself with a replaced board, and the drive seems to be there intact. I have to look for the donor and do the BIOS transfer. I have a several exact matches of the PCB board, but I can't use them because the data on those drives are very important as well. I located another donor board that is the exact match except the firmware of the drive it came from. But I guess it's no issue. The hard part is to pull the BIOS chip and plant it on the new board. I have done some board soldering, but it is always unnerving to do it. Hopefully, I can come out of this alright. At worst, I can lose the data. The data I desperately am trying to recover are some of the recent photos I had not had a chance to make backup of before this happened. Ar worse, I will be out of some fond memories. LOL.
Edited by jyou - 10/10/16 at 2:13am
post #15 of 16
This reminds me that I need to setup a RAID. I have so many old photos on my secondary hard drive that I don't want to lose.
post #16 of 16
Quote:
Originally Posted by JonnyBigBoss View Post

This reminds me that I need to setup a RAID. I have so many old photos on my secondary hard drive that I don't want to lose.

RAID IS NOT A BACKUP! Read the first link in my signature to read why from OCN's drive guru, Sean Webster.
     
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