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 Post subject: WD Board Swap WD2500JS Questions
PostPosted: September 9th, 2019, 3:24 
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Joined: September 9th, 2019, 3:11
Posts: 2
Location: Midwest USA
New here but have been reading a lot and I have a few questions.

I have a WD2500JS drive that won't spin up, the main chip on the board is a burnt hole in it seems to be pretty common in these models. (pictures of drives attached)

I do have other similar drives but not -exact- the closest one I have was manufactured later but Model number, circuit board revision, first part of sticker on board line up.

After swapping that board to the non working drive it spins up and sounds normal but BIOS doesn't recognize it properly only 8GB with no/incorrect model.

From what I have read that it most likely needs the BIOS chip from the original board to the donor board in order to work. I don't have immediate access to a hot air station, nor have I done much with one before. I have soldered and am comfortable with that so I think it's doable but not sure without the hot work station.

Is swapping the BIOS chips the only option? Is there a way to clone the chip from the original to the donor board with out a special programmer?

Thanks for all your help in advanced.


Attachments:
File comment: Donor Drive back
donor2.JPG
donor2.JPG [ 1.21 MiB | Viewed 232 times ]
File comment: Donor Drive Front
donor1.JPG
donor1.JPG [ 1.7 MiB | Viewed 232 times ]
File comment: Bad Drive Back
bad2.JPG
bad2.JPG [ 2.06 MiB | Viewed 232 times ]
File comment: Bad Drive front
bad1.JPG
bad1.JPG [ 1.67 MiB | Viewed 232 times ]
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 Post subject: Re: WD Board Swap WD2500JS Questions
PostPosted: September 9th, 2019, 4:06 
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Joined: May 21st, 2007, 16:10
Posts: 1554
Location: Gothenburg/ Sweden
Hi, there are 3 ways normally.
1, Read the chip out with Pc3000 or similar.
2, Solder the chip off and solder it onto the healthy board.
3, use a programmer and a clip on set to read the info out.


Attachments:
sop8_clip_cable-2.jpg
sop8_clip_cable-2.jpg [ 91.36 KiB | Viewed 224 times ]

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 Post subject: Re: WD Board Swap WD2500JS Questions
PostPosted: September 11th, 2019, 2:57 
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Joined: September 9th, 2019, 3:11
Posts: 2
Location: Midwest USA
Thanks for the info.

I was able to find someone to swap the BIOS chip on to the donor board. It worked PERFECTLY and was able to get data off. For any future looking it looks like these drive defiantly require the bios chip to be swapped or programed/cloned.

Thanks for the help.


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