Seagate Barracuda 7200.12

[zaico]

Hi everyone!

A month ago my HDD ( a Barracuda 7200.12) stop working. One of the chips from the PCB was burned so I decided to look for a copy of PCB. After some advices and a lot a reading I sended the HDD to this people: http://www.onepcbsolution.com to have mi PCB correctly cloned (ROM,etc...). A week ago I recived my drive and tried to recover my data with no exit. The BIOS didn't recognized it. Searching again on the Internet I started checking de SMART partition through the UART port with no succes. I see many problems. First theres an intermittent sound everytime I connect the SATA Power. Also if I try to connect trough terminal the first thing I see is a list of Rst 0x20M prompts until I press de Control+Z command. Here are other errors:

F3 T>m0,2,2,0,0,0,0,22

DiagError 00005014

F3 2>Z

DiagError 00005014

Any solution?

Thanks in advanced,
Regards

[zaico]

Even if the heads are broken the BIOS should recognize it, don't it? Because is not the case

[zaico]

Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M
Rst 0x20M

Until I press the Cntrl+Z command. Since the BIOS is not detecting it, I don't see how could a software such as MHDD would see it.
I open the case to see how the head responded and: surprise! the disks and the head are not moving at all. So I guess the damaged head hypothesis is not correct?

[zaico]

I moved the head out of the disk area and both still standing. Although the disks seems like are trying to move, and it does a bit, but with no succes.

[zaico]

As I wrote the PCB just came from a lab, where apparenttly they cloned my old PCB in a new one with the old ROM. So how can the PCB or the ROM be damaged?

[zaico]

My fault! Sorry. I was writing the prompts with the PCB atached to the HDD. Without it this is the prompt:

Attachments

[zaico]

Wich contact is wich?

[zaico]

Wich contact is wich?

The set of contacts that connect the pcb to the drive but leave the contacts that connect the spindle to the pcb. Post a PCB photo component side and i will mark it for you.

Onestly Spildit Thanks for everything. Here are the photos:

[ShaneWard]

Maybe when the company cloned the ROM chip, they did not do it correctly, best to move the Rom chip from the old drive to the new one. Just a thought.

[zaico]

I don't know where to start from. I insulated the head as you said and everything still normal. But suddenly the spindle spinning with some difficulty to finally stop. After few minutes it starts spinning very fast (I suppose its normal speed). I could stop it by terminal with the Z command. Tried to start it again with U and it spin as fast as before. But this time I couldnt stop so I unnpluged it. Now the drive is spinning as the beginning, with some difficult. Y must say the headers where out of the platters.

[zaico]

Do you think it was caused by the short circuit, or it had something to do with the PBC cloning proces? How much money do you thing it could be? Any lab to recomend?

[zaico]

Is not possible to replace the heads with one of the same firmware?

[zaico]

Allright, I'll try with the lab. Anyway I'm a computer engineer and I like to learn and try things like this. So I'll find informtion by myself.
Thanks for all the help