Dynabook/Toshiba CPU K000128530 is compatible in the following Models:

Dynabook/Toshiba QOSMIO Series

X Series X770 - PSBY5A-02301X

X Series X770 - PSBY5A-09C01X

Dynabook/Toshiba SATELLITE Series

P Series P750 - PSAY3A-0EM001

P Series P750 - PSAY3A-0MQ001

P Series P750 - PSAY3A-0MR001

P Series P750 - PSAY3A-0NW001

P Series P750 - PSAY3A-15D03K

P Series P770 - PSBY3A-09M03E

P Series P770 - PSBY3A-0GC00K

P Series P770 - PSBY3A-0TJ03E