Guide to Swap Hard Drive Pcb

What is Hard Drive Pcb?

The green board on the lowest of the hard disk drive is known as Printed Circuit Board(Pcb). The main function of the Pcb is to contribute Power to the hard drive, contend speed and rotation of the spindle, and control all internal operations straight through its firmware. Essentially, Pcb is the brains of the hard drive that all components are heavily dependent upon.

Western Hard Drive

Why Swap Pcb Boards?

Guide to Swap Hard Drive Pcb

Hard disk drives that do not spin up after the Power has been supplied can be diagnosed as Pcb failure. Because data rescue aid is very expensive, sometimes we would prefer to swap them ourselves.

How to find the matching Hdd Pcb boards?
Western Digital - same board whole which is etched on the Pcb, begin with 2060- Seagate - same board whole which is etched on the Pcb, begin with 100..., and the same Main Controller Ic. If you can't find the whole on the Pcb (Old Models), you should find the same Main Controller Ic. Maxtor- same Main Controller Ic(The biggest chip on the board) Hitachi- same data on the small white label (first two lines) Samsung - same board whole which is etched on the Pcb, begin with Bf41- Fujitsu - same board whole which is etched on the Pcb, begin with Ca

Hard Drive Pcb Swap Process:

ReMove the Pcb from both hard drives with star screwdriver. Replace the damaged Pcb with change one. If you Hdd spins up, but can't be recognized, you should also change the Bios chip on it. If there is no matching 8pins Bios chip on the Pcb, it means the Bios chip is integrated on the Main Chip Ic, then you should reMove the damaged Pcb's Main Chip Ic to the donor Pcb. It is more complex to change the Main Chip Ic than change the Bios chip. If you should do, please do any test on the Pcbs which don't have the prominent data.

What is Pcb's Bios Chip?

All of the 8pins (4 pins on each sides) with 25P05Vp, 25P10Vp, 25F512, 25F1024, 25F1024An, Sst25Vf512, Sst25Vf010, etc. Are the Bios chip. It is easy to be found because there are not many 8pins chips on the board.

In most cases, you should change the Bios before you swap hard disk pcb. You should have inescapable technique.

Note: You should know the hard drive failures are not all the time caused by Pcb failure, swap Pcb can't certify to fix all of the hard drive problems.

Guide to Swap Hard Drive Pcb

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