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 Post subject: Can I swap Seagate Boards?
PostPosted: September 9th, 2019, 14:04 
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Joined: July 20th, 2019, 16:52
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Location: USA Hamilton Ohio
I have 2 Seagate ST3000DM008 HDDs in 2 different computers one of my computers had a massive PSU failure which wiped out 2 HDDs in the PC resulting in a dead drive... meaning it will not spin up and I believe it wiped out the driver board on this drive nor will it spin up in my other PC so the drive is dead as dead can be. My question is can I swap the board form my good 3TB drive and recover the data from the bad drive before I send it in the be serviced?


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 Post subject: Re: Can I swap Seagate Boards?
PostPosted: September 9th, 2019, 14:20 
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Joined: May 21st, 2007, 16:10
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Location: Gothenburg/ Sweden
If the pub boards have the same number, then yes...but not without swapping ROM chip as well.

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 Post subject: Re: Can I swap Seagate Boards?
PostPosted: September 9th, 2019, 14:41 
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Joined: July 20th, 2019, 16:52
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Location: USA Hamilton Ohio
Would that be the 8 pin 25S81A? I fear if I swap that it would void my warranty Seagate says to do the data recovery before you send the drive in lol sounds like a catch 22 (gray area) do you have an idea if that will void the warranty?


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 Post subject: Re: Can I swap Seagate Boards?
PostPosted: September 9th, 2019, 16:15 
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Joined: September 8th, 2009, 18:21
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Location: Australia
Can you show us photos of the component side of each PCB? Most times there is an easy DIY fix.

TVS Diode FAQ:
http://www.hddoracle.com/viewtopic.php?f=100&t=86

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 Post subject: Re: Can I swap Seagate Boards?
PostPosted: September 10th, 2019, 1:21 
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Joined: March 6th, 2010, 3:46
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Scorpio9 wrote:
Would that be the 8 pin 25S81A? I fear if I swap that it would void my warranty Seagate says to do the data recovery before you send the drive in lol sounds like a catch 22 (gray area) do you have an idea if that will void the warranty?


As the damage to your drives is caused by a faulty power supply, Seagate should not replace them under warranty. You may be lucky that the disks are not examined, but a power failure is easy to detect.
The ROM chip can be read out without removing the chip, but it requires an external chip reader.
You can also follow fzabkars advice and try to get the drives working, but that will also void warranty.

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 Post subject: Re: Can I swap Seagate Boards?
PostPosted: September 11th, 2019, 11:13 
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Joined: July 20th, 2019, 16:52
Posts: 10
Location: USA Hamilton Ohio
Quote:
As the damage to your drives is caused by a faulty power supply, Seagate should not replace them under warranty. You may be lucky that the disks are not examined, but a power failure is easy to detect.


Your right@digisupport I found the typical power spike damage it has at least one shorted diode and one blown resistor and possibly another blown resistor.

I found a PCB on flee bay for $20USD from china might go that route and swap the ROM unless you guys can give me some resistor values I will shoot you guys some pictures like @fzabkar recommended I have a hot air rework station minus a microscope but I think I can manage to change it out.

Thanks for your help.


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 Post subject: Re: Can I swap Seagate Boards?
PostPosted: September 11th, 2019, 11:31 
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Joined: September 8th, 2009, 18:21
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Location: Australia
The resistor is usually a zero-ohm resistor. If so, you can replace it with a wire link, or just flow a blob of solder over it.

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 Post subject: Re: Can I swap Seagate Boards?
PostPosted: September 11th, 2019, 15:32 
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Joined: October 3rd, 2005, 0:40
Posts: 2683
Location: Hungary
if the surge reached the pream, it might have got busted, which can lead to serious data damage if you start it with a donor board
So preamp damage must be ruled out first.

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