Dynabook/Toshiba CPU A000019040 is compatible in the following Models:

Dynabook/Toshiba PORTEGE Series

M Series M600 - PPM60A-07T01D

M Series M800 - PPM80A-03H009

Dynabook/Toshiba SATELLITE Series

P Series P300 - PSPC4A-03P01P

U Series U300 - PSU30A-0DJ02P

U Series U400 - PSU40A-01M001