HP ProBook 6455b, 6555b, 6450b and 6550b Notebook PCs Maintenance and Service Guide

Item Description Spare part number
(12) Memory modules (2, 1600-MHz, DDR3, PC3-12800 shared):
4096-MB 641369-002
2048-MB 652972-002
1024-MB 598859-002
(13) RTC battery:
For use only on HP Compaq 6550b and 6450b computer models 449137-001
(14) Optical drive connector board (for use only on computer models equipped with a 15.6-in
display assembly)
613314-001
(15) Serial connector and cable (for use only on computer models equipped with a 15.6-in
display assembly)
613313-001
(16) System board (includes replacement thermal material):
For use only on HP Compaq 6555b and 6455b computer models:
For use only on computer models equipped with a graphics subsystem with UMA memory
in all countries and regions except Russia and the People's Republic of China
613397-001
For use only on computer models equipped with a graphics subsystem with UMA memory
and WWAN capability in all countries and regions except Russia and the People's
Republic of China
613398-001
For use only on computer models equipped with a graphics subsystem with UMA memory
in Russia and the People's Republic of China
616787-001
For use only on computer models equipped with a graphics subsystem with UMA memory
and WWAN capability in Russia and the People's Republic of China
616788-001
For use only on computer models equipped with a graphics subsystem with UMA memory
in the People's Republic of China
616789-001
For use only on computer models equipped with a graphics subsystem with UMA memory
and WWAN capability in the People's Republic of China
616790-001
For use only on HP Compaq 6550b and 6450b computer models:
For use only on computer models equipped with an Intel HM57 graphics subsystem with
discrete memory in all countries and regions except Russia and the People's Republic of
China
613296-001
For use only on computer models equipped with an Intel HM57 graphics subsystem with
discrete memory and WWAN capability in all countries and regions except Russia and the
People's Republic of China
613297-001
For use only on computer models equipped with an Intel QM57 graphics subsystem with
discrete memory and WWAN capability in all countries and regions except Russia and the
People's Republic of China
613298-001
For use only on computer models equipped with an Intel HM57 graphics subsystem with
discrete memory in Russia and the People's Republic of China
613302-001
For use only on computer models equipped with an Intel HM57 graphics subsystem with
discrete memory and WWAN capability in Russia and the People's Republic of China
613401-001
For use only on computer models equipped with an Intel QM57 graphics subsystem with
discrete memory and WWAN capability in all countries and regions except Russia and the
People's Republic of China
613303-001
Computer major components 41