Dynabook/Toshiba
P000451750
is compatible in the following Models:
Dynabook/Toshiba PORTEGE Series
PPM40A-00F00G
PPM40A-00G00G
PPM40U-03501K
Dynabook/Toshiba QOSMIO Series
PQG30A-01Q01J
Dynabook/Toshiba TECRA Series
PTM51A-016007
PTM51A-017007
PTM51A-030007