HP 491250-001 - System board - For use with computer models equipped with Intel processors with UMA graphics subsystem and a GL40 system board - In Retail
HP 538391-001 - System board (motherboard) - For use on models equipped with an AMD processor and a graphics subsystem with UMA memory - Includes r Retail
HP 538457-001 - Heat sink - For use on computer models equipped with an Intel processor and a graphics subsystem with UMA memory - Includes replace Retail
HP 577220-001 - GL40 system board - For use only on computer models equipped with graphics subsystems with UMA memory and not equipped with WWAN ca Retail
HP 577221-001 - GL40 system board - For use only on computer models equipped with graphics subsystems with UMA memory and equipped with WWAN capabi Retail