Hard Drive PCB

January 3, 2012

What is Hard Drive PCB?
The green board on the bottom of the hard drive is known as Printed Circuit Board(PCB). The main function of the PCB is to supply power to the hard drive, maintain speed and rotation of the spindle, and control all internal operations through its firmware. Essentially, PCB is the brains of the hard drive that all components are heavily dependent upon.

Hard Drive PCB,HDD PCB

1. What is specific technic for swapping bios on hard drive pcb?

http://www.datarecoveryunion/hard-drive-rom-chip-swapreplacement/

2. I have a samsung 400 gb harddrive that does not work. I tested the circuit board and there is a lapse of voltage going through it. I know for a fact that just the circuit board is non functioning because I replaced it and now I am trying to fing another one. Model # HD400LD (400gb/7200rpm/8m/PATA) Do you know where I could a circuit board for this model?

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