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 m16 R1 with 1-zone keyboard
Alienware m16 R1 AMD with 1-zone keyboard
DPN: RMF1J
alternate part numbers:
INFINITY16 MCU ONE ZZONE
RPFXK