Hallo
one friend just plug the 4 pin power connector in the wrong way to her
hard disc.
It seems that the part which is used to protect the over voltage has
been burn-off.
I am gonna change the part which is "physical" broken and back up her
data.

i wrote down the label on the component as
AE VU
GP804
it has only 2 pins.

I googled around, did not find the part datasheet.
has anyone idea or reference of the schematic which is used for the
hard dics pcb power protection?

Thanks a lot

Borat