HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PC

Spare part
number
Description
635500-001 Intel Pentium P6300, 2.26-GHz processor
641369-002 Memory module (PC3-12800 shared), 4096-MB
652972-002 Memory module (PC3-12800 shared), 2048-MB
657098-001 Battery Latch Kit
663539-001 Speaker assembly, 33.8-cm (13.3-in); includes metallic heat shield
663540-001 Speaker assembly, 35.6-cm (14.0-in); includes metallic heat shield
663979-001 Display assembly for use in coffee-colored 35.6-cm (14.0-in) models in Singapore
663980-001 Display back cover for use in coffee-colored 35.6-cm (14.0-in) models in Singapore
50 Chapter 3 Illustrated parts catalog