Dynabook/Toshiba PCB-SET P000428390 is compatible in the following Models:

Dynabook/Toshiba TECRA Series

M Series M3 - PTM30A-030002
M Series M3 - PTM30A-0C1002
M Series M3 - PTM30A-0RF002
M Series M3 - PTM30A-0RG002