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[AndyRoid]

If the part numbers are completely identical then that's been known to work..

They are  . The seller posted a very detailed picture of the label on the drive on ebay - it was quite cheap as well.

The PCB revision is only part of it, you need to have the same firmware revision as well for it to work.

[I_want_an_Omega]

If the part numbers are completely identical then that's been known to work..

They are  . The seller posted a very detailed picture of the label on the drive on ebay - it was quite cheap as well.

The PCB revision is only part of it, you need to have the same firmware revision as well for it to work.

I'll risk it .........

[Marks DTM Calib]

I've removed the PCB from the HDD (dead easy as it just snaps in place) after removing 7 screws.

In flipping the board over there is very obvious electrical "trauma" on some components adjacent to the SATA power interface - am talking about a small chip which has split apart  .

So, I've just bought an identical used HDD from ebay with the objective of using its PCB - what can possibly go wrong 

I'll keep you posted ...

Dumbo

You may well find a few challenges there as the PCB will have a non volatile memory device on which is stored information relating to the platter. This tells the driver where the failed sectors are etc and often it looks for a specific code on the platter before it will run.

Of course you could look to use the drive electronics as a component mine and hope its just the PSU thats failed on the original drive.

[I_want_an_Omega]

I've removed the PCB from the HDD (dead easy as it just snaps in place) after removing 7 screws.

In flipping the board over there is very obvious electrical "trauma" on some components adjacent to the SATA power interface - am talking about a small chip which has split apart  .

So, I've just bought an identical used HDD from ebay with the objective of using its PCB - what can possibly go wrong 

I'll keep you posted ...

Dumbo

You may well find a few challenges there as the PCB will have a non volatile memory device on which is stored information relating to the platter. This tells the driver where the failed sectors are etc and often it looks for a specific code on the platter before it will run.

Of course you could look to use the drive electronics as a component mine and hope its just the PSU thats failed on the original drive.

Fair point Mark. It's a bit all/nothing approach really with the board. The way I look at it I've got nothing to lose. I've essentially written the machine itself off as I cant see 12v onto a 5v rail doing anything any good. I've got real physical damage to the HDD PCB but who knows what else has been done to the motherboard or other modules/memory etc.

[Ever Ready]

Always worth a try just don't hold out too much hope, I have tried it a few times in the past with varying success

[I_want_an_Omega]

Always worth a try just don't hold out too much hope, I have tried it a few times in the past with varying success

But that's my whole point & why I want to try it ............

[Marks DTM Calib]

As for the main machine.

Generaly, a power faul such as this will take out the associated driver chip and anything else connected to it, upstream is normaly ok.....

You say the HDD is effectively a USB device plugged into a USB bridge inside the PC?

[I_want_an_Omega]

As for the main machine.

Generaly, a power faul such as this will take out the associated driver chip and anything else connected to it, upstream is normally ok.....

You say the HDD is effectively a USB device plugged into a USB bridge inside the PC?

I'm not really sure if it is or its just the way the hardware has been packaged. On the motherboard there is a connector marked DAU CON which connects to a ribbon cable. The ribbon goes over the HDD to a smaller card (marked I/O) and has the following connected to it:

1) HDD (Combined SATA/Power connector)
2) Fixed Ethernet RJ45 connector
3) USB port (this is the one that received the 12v)
4) Audio jack
5) Internal speaker connector
6) Cable to screen for camera/mic/LED - main screen is connected direct to motherboard

I think they have just extended some of the connectivity to this I/O card - it has chips clearly connected to the USB socket and RJ45.

Does this help?