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Swap BIOS chip on WD HDD PCB board 006-0A90561

Swap BIOS chip on WD HDD PCB board 006-0A90561

When we need to swap (replace) the BIOS chip on Western Digital PCB Board 006-0A90561, we first need to figure out a few questions: what is the BIOS chip of the hard disk, what is the role of the hard…