WD passport WD20NMVW problem: tools to diagnose?

[drHDD]

years ago it was possible. Now all manufactures keeps unique parameters in rom.
Yes you need to move U12 to other board if you want to use this board on your drive.

[fzabkar]

Analysis of the "ROM" on a Western Digital ROYL HDD:
http://www.hddoracle.com/viewtopic.php?f=59&t=225&p=548

[npgraphicdesign]

I am 99.99% certain that a PCB swap will be a fruitless waste of time and money.

Not even if I swap the ROM chip? :/

[npgraphicdesign]

years ago it was possible. Now all manufactures keeps unique parameters in rom.
Yes you need to move U12 to other board if you want to use this board on your drive.

Thank you drHDD!

[pcimage]

years ago it was possible. Now all manufactures keeps unique parameters in rom.
Yes you need to move U12 to other board if you want to use this board on your drive.

Thank you drHDD!

Yes, you can "use" the PCB on your drive after the U12 "ROM" swap, but as I said before it is 99.99% likely not to make a jot of difference.

Sorry to be the bearer of truth

[drHDD]

I am 99.99% certain that a PCB swap will be a fruitless waste of time and money.

Not even if I swap the ROM chip? :/

if your drive clicking - your problem in heads and in media damage too, because it's main problem to die heads on external drives.