Hi

I have 2 Toshiba 2,5" 640Gb drives (don't have the full model here).
One produces loud clicks.
I thought this could be heads or media damage, but I opened the drive and all seems fine.
I made a PCB swap from my second drive to this one and the clicks are very, very low, as supposed to be with a different PCB. This PCB on the second drive, doesn't do the loud clicks also.
I swapped them back again and the loud clicks started again. I now think it's a FW problem, but how to solve it?

The second drive, get's RDY, but it can't be recognized. No clicks. Normal sounds.

Any ideas on how to solve this?
I only have SD tool to work with....
Thanks

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Drive 1 can be SA / heads , the difference is because different PCBs have different AD.

Drive 2 can be a firmware problem.

SD tools can be a limit...

.... but if you see me online the usual way just ring me let's try some remote magic