IdeaPad 3-17ADA05 GS450/GS550&GS750 NM-C821 Rev 1.0

[Robots]

IdeaPad 3-17ADA05​

GS450/GS550&GS750 NM-C821 Rev 1.0
BIOS
boardview IdeaPad 3-17ADA05 - NM-C821 REV0.2 BoardView.tvw
Lenovo IdeaPad 3-15ADA05 LCFC NM-C821 GS450 GS550&GS750.pdf Schematics

 

[Robots]

I/O is Original ? or you have replace or Programming I/O before that ??