Alienware m16 R1 palmrest junction board- this is the keyboard controller board, often referred to as the keyboard MCU (micro controller unit) board, this also acts as a junction board connecting the keyboard to the motherboard.
Compatible Dell Laptops:
Alienware m18 R1
Alienware m16 R1 with RGB Per Key
Alienware m16 R1 AMD with RGB Per Key
Alienware m18 R1 AMD
Alienware m18 R2
DPN: MV1J2
alternate part numbers:
INFINITY16/18 MCU RGBPK
RWXPG