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Fried Board
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CPBailey74
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Joined: 24 Feb 2009
Posts: 5
Location: Buckhannon, WV

PostPosted: Tue Feb 24, 2009 5:03 am    Post subject: Fried Board Reply with quote

I fried the board on my Seagate Hard drive. Seagate's repair quote is outrageous considering I believe it to just need a replacement board. I am been trying to find an exact dupe of this hard drive, but have pretty much come up empty. I am wondering exactly which information do I need to match to make this drive work and get my data off of it? Here is all the information on my drive:

Seagate Barracuda 7200.10 320 GB SATA
S/N: 6QF100DD
ST3320620AS
P/N: 9BJ14G-308
Firmware: 3.AAK

I have found several with the matching "ST3320620AS", but then the rest of the information does not match (other than drive size). All I am looking to do is get the drive running long enough to get the data off (or as much as I can). I have about 80 GB of free space that I can remember. I know that Firmware can be flashed on many parts, so am wondering exactly how important that actually is overall. I do not care about buying another drive if a board swap will work. Anyway, if somebody could let me know, I would be most appreciative. I have contacted a few data recovery services, and so far pricing to retrieve data is about as much as my whole PC cost (for drive that costs about $40..).
Anyway, thanks in advance for any help that can be given!
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RussWinters
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Joined: 25 Feb 2009
Posts: 41
Location: Orange County, CA

PostPosted: Thu Feb 26, 2009 1:04 am    Post subject: Reply with quote

How did you come to the conclusion the board is fried? What symptoms does the drive have?
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CPBailey74
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Joined: 24 Feb 2009
Posts: 5
Location: Buckhannon, WV

PostPosted: Thu Feb 26, 2009 2:32 am    Post subject: Reply with quote

Well, the hard drive sizzled after turning it on. On inspection, there are scorch marks on the board. One of the chips was partially melted away. What confuses me, is I thought there was 3 & 5V extensions from the power supply. Not sure if mine is different. I have a newer model. 750w power supply and the mullox & SATA power connector cables plug into the power supply (as opposed to just being a swarm of wires coming out). Most are black, but there are 3 (I believe 3) red ones. One red one is hooked up to my video card, there was one that was not connected to anything and 1 black one hooked up and run to fans and such (was how was sent to me as a barebones system after testing). Only thing I can guess, is I hooked up the hard drive to the red connector (Well, I know I hooked it up to it), just did not notice it was different than the others until further inspection. I actually fried 4 HD's on this trying to find out what was going on. My old main was a 250gb IDE and my Seagate 320GB SATA drives that fried first. Then I tried 2 Maxtor 85 GB HD's afterwards just to check (but other two were less than 8 months old). So, I am guessing that the red connectors are a higher voltage now.

As a side note, I worked as a Network Eng for several years, so I do have some experience. Have been out of the field for about 10 years or so though, so am a little behind on current things. Never really had to deal with this before, though have had friends that have fried boards. Normally, I just kill video cards.
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RussWinters
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Joined: 25 Feb 2009
Posts: 41
Location: Orange County, CA

PostPosted: Fri Feb 27, 2009 5:42 pm    Post subject: Reply with quote

Ah yes, the joys of a modular power supply.


Can you post a picture of the fried board so I can assess the damage. You may be able to salvage the data without a replacement board, but we will have to remove that chip, of course then the board is running with ZERO protection so if you plug it in to the wrong power at this point, then you are in BIG trouble.
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CPBailey74
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Joined: 24 Feb 2009
Posts: 5
Location: Buckhannon, WV

PostPosted: Fri Feb 27, 2009 6:43 pm    Post subject: Reply with quote

Not real sure how to add pic here on this site. =-P
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dan42
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Joined: 19 Mar 2009
Posts: 12

PostPosted: Thu Mar 19, 2009 10:54 pm    Post subject: Reply with quote

Awesome! I did the same thing. My drives look fine, but now the pc/power supply won't even start if they're powered. The cpu/ps fans twich but stay dead.

Recap: Plugged my drives into the red lead of a modular power supply and they took up smoking. Now they don't listen to me anymore.

Please help? Sorry about the crappy image quality, if we need better I'll locate a better camera.

This is the one I really care about, a Seagate barracuda 7200.10 ST3320620AS P/N: 9BJ14G-305 Firmware:3.AAD


thanks!
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RussWinters
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Joined: 25 Feb 2009
Posts: 41
Location: Orange County, CA

PostPosted: Thu Mar 19, 2009 10:57 pm    Post subject: Reply with quote

Yea, going to need a better picture to assess the damage.


Regards,
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dan42
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Joined: 19 Mar 2009
Posts: 12

PostPosted: Fri Mar 20, 2009 12:05 am    Post subject: Reply with quote



remarkably hard to take good pictures of a pcb. Too slow shutter speed without flash, too shiny with flash. Let me know if you need me to try further.
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harddrivespecialist
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Joined: 29 Dec 2007
Posts: 471
Location: Providence, RI. Boston, MA USA

PostPosted: Fri Mar 20, 2009 2:48 am    Post subject: Reply with quote

Hello!

I can offer to fix your board.
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dan42
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Joined: 19 Mar 2009
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PostPosted: Fri Mar 20, 2009 4:32 am    Post subject: Reply with quote

It's fixable? I'm entirely new to this.
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harddrivespecialist
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Joined: 29 Dec 2007
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Location: Providence, RI. Boston, MA USA

PostPosted: Fri Mar 20, 2009 2:31 pm    Post subject: Reply with quote

If its breakable, then its fixable Very Happy
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dan42
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PostPosted: Thu Mar 26, 2009 9:57 pm    Post subject: Reply with quote

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dan42
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PostPosted: Wed Apr 15, 2009 6:38 am    Post subject: Reply with quote

Anyone still out there?
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harddrivespecialist
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Joined: 29 Dec 2007
Posts: 471
Location: Providence, RI. Boston, MA USA

PostPosted: Wed Apr 15, 2009 1:40 pm    Post subject: Reply with quote

dan42 wrote:
Anyone still out there?


Hey!

What is your question?
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dan42
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Joined: 19 Mar 2009
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PostPosted: Wed Apr 15, 2009 4:21 pm    Post subject: Reply with quote

looking for a PCB or PCB repair for a

Seagate barracuda 7200.10 ST3320620AS P/N: 9BJ14G-305 Firmware:3.AAD
The large chip is 100404225.

I've multimetered the diodes and got 3 and 0.5 ohms. the .5 ohm one looks like it might have some burning underneath.

I haven't been able to find the exact PCB online. I've heard that matching the firmware is your next best bet? Seems like a good way to waste 50$ though.

I have a drive here that I could experiment on, if it comes down to soldering.
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