HP ProBook 440 G1 Notebook PC Maintenance and Service Guide
Spare part
number
CSR flag Description
721518-001 B Function board
721519-001 A Hard Drive Hardware Kit (includes bracket and screws)
721520-001 A Keyboard for use in the United States
721520-161 A Keyboard for use in Latin America
721520-201 A Keyboard for use in Brazil
721520-281 A Keyboard for use in Thailand
721520-291 A Keyboard for use in Japan
721520-AB1 A Keyboard for use in Taiwan
721520-AD1 A Keyboard for use in South Korea
721520-D61 A Keyboard for use in India
721520-DB1 A Keyboard for use in Canada (English)
721526-001 B Microphone module
721527-001 A Blu-ray ROM DVD±RW SuperMulti DL Drive (includes bezel, bracket, and screws)
721528-001 A DVD-ROM drive (includes bezel, bracket, and screws)
721529-001 A DVD±RW SuperMulti DL Drive (includes bezel, bracket, and screws)
721530-001 N Plastics Kit (includes optical drive protective insert and Secure Digital card protective insert)
721531-001 B Power button board
721532-001 N RTC battery
721533-001 A Rubber Kit (includes rubber base enclosure screw covers and mylar display bezel screw covers)
721534-001 N Screw Kit
721536-001 A Service door
721537-001 B Speaker assembly
721538-001 N Fan/heat sink assembly for use in all models with discrete graphics (includes replacement thermal
material)
721539-001 N Fan/heat sink assembly for use in models with UMA graphics (includes replacement thermal
material)
721540-001 B Top cover for use in models with a fingerprint reader (includes fingerprint reader board and
touchpad assembly)
721541-001 B Top cover for use in models without a fingerprint reader (includes touchpad assembly, fingerprint
reader plastic insert, bracket, and screws)
721542-001 B USB/audio board
721543-001 B Webcam module
723522-001 N Intel Core i7 processor, 4702MQ, 2.2-GHz, 6-MB L3 cache (include thermal material)
Sequential part number listing
29