This board has 2 different types:
Type1: has 2 BIOS, as the below photo:
When you swap this PCB, you should move both the BIOS(U12&U14 chips) from your original PCB to the replacement board.
Type2: just has 1 BIOS, as the below photo:
When you swap this PCB, you should move the BIOS from your original PCB to the replacement board.
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Useful Guide: Hard Drive PCB Replacement
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Note: Send clear photos of your PCB (both sides) by attachments will make everything easier!