Compatible with Portables as :

Asus P1440UA Series
Asus P1440UF Series
Asus P2440UA Series
Asus P2440UQ Series
Asus P2520L Series
Asus P2520LA Series
Asus P2520LJ Series
Asus P2520SA Series
Asus P2540NV Series
Asus P2540UA Series
Asus P2540UV Series
Asus P452LA Series
Asus P452LJ Series
Asus P452SA Series
Asus P452SJ Series
Asus P453UA Series
Asus P453UJ Series
Asus P552LA Series
Asus P552LJ Series
Asus P552SA Series
Asus P552SJ Series
Asus P553UA Series
Asus P553UJ Series