Replacement IBM PCB 07N6570 is available on HDDZone.com. To swap IBM PCB with Main Controller IC Number 07N6570, your should make sure the Main Controller IC Number on your original pcb is 07N6570 too.
IBM PCB 07N6570 Image:
IBM PCB 07N6570
IBM PCB 07N6570 Additional Images:
IBM PCB 07N6570 Main Controller IC Number
For most of the PCB boards, we also need to swap the BIOS Chip from your original PCB to the replacement PCB, in order to make the PCB compatible with you hard drive.
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Note: Send clear photos of your PCB (both sides) by attachments will make everything easier!