This PCB has 2 different types: One has BIOS; Other one doesn’t has BIOS
Type 1: with BIOS
When you get this PCB, you need move your orignal PCB’s BIOS to the replacemen PCB. You can move the BIOS from your original PCB by using hot-air gun, then solder it on the replacement board. Or you can find the electronics repair shop do it.
Type2: without BIOS
The BIOS is integrated on the Main Controller IC. You should exchange the Main Controller IC to let the HDD be recognized. Move the Main Controller IC(the biggest chip on the board) is a complex job which need you have certain techique. Some electronics repair shop can do it.
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