Seagate Barracuda ST3500418AS 500GB FW CC44

[pauln]

Hello
I have a Seagate Barracuda ST3500418AS 500GB FW CC44 that has a short circuit on the 12v rail.
There is no evidance of burning and a diode check on my multimeter fails on the red ringed component in the following pix:-
http://i44.tinypic.com/jj4ks8.jpg
I have tried to get a CC44 but cant not get one, but have found a CC34. The Logic board looks similar ( I dont have it yet to check ).
Could some one please tell me were the bios chip is from the previous picture as i believe swapping that is my only chance to get the data off.


Regards Pauln

[rameez]

Its on the top left corner .
One more thing search TVS on the forum.

[pauln]

Thank you
I assumed the "ringed component" was a transient voltage suppression diode but was not 100% sure.
I can test better when i get the replacement logic PCB.
Am i correct in assuming the 8 legged one below is the Nvram ?
I have searched TVS on the forum but not sure what I'm ment to be looking for am I missing something ?


Regards Pauln

[rameez]

No this drive doesnot have NVRAM like Hitachi .
Just remove the ringed component and power the drive you will be able to get your data back .

[pauln]

Thank you again that worked.
The data is not mine I always have backups of my data and more than one backup of important data.
I learnt my lesson a looooong time ago by deleting some data and having to reconstruct the drive.


Regards PaulN

[kevvo2000]

Thank you again that worked.
The data is not mine I always have backups of my data and more than one backup of important data.
I learnt my lesson a looooong time ago by deleting some data and having to reconstruct the drive.


Regards PaulN

Hi Guys,
I also have a Seagate Barracuda ST3500418AS cc44
Which will not power up.

The owner's wife plugged in the wrong power supply.

Pauln, can you confirm that your fix was to de-solder the ringed component in your picture and was able to access your data?

Or did you replace the logic board in the end?

Cheers
Kev.

[unknown]

Post a picture of your PCB.

[kevvo2000]

Hi,

my model is; st3500418AS
Firmware; CC44
It has a 100535704 Rev B PCB Circuit Board
The Bar Code says 5701U

Attachments

PCB

[unknown]

Post a picture from the other side. Unscrew the PCB.

[kevvo2000]

Sorry,

got no torx at the moment will get some tomorrow.

Thanks.

[kevvo2000]

Sorry, Managed to get the screws out with small jewellers!

Here are some images, 2 close ups of the damaged areas!

Attachments

[unknown]

You will need to replace the entire PCB and transfer the upper left Chip (8-legs) to the donor PCB.

[fzabkar]

The following supplier is one who includes a firmware transfer service for US$10:
http://search.store.yahoo.net/yhst-4446 ... ion.com%2F