HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide

Item Description
i5-540M, 2.53-GHz, 3-MB cache 594188-001
i7-620M, 2.26-GHz, 4-MB cache 587259-001
(19) RTC battery 449137-001
(20) HP un2420 Broadband Module 531993-001
(21) Optical drive extender for use only in computers with 17.3-in displays 598687-001
(22) Modem module
NOTE: The modem module spare part kit does not include a modem module cable. The
modem module cable is included in the Base Cable Kit , spare part numbers 599807-001.
See
Cable Kits on page 30 for more Cable Kit spare part information.
For use in all countries and regions except Australia and New Zealand 510100-001
For use only in Australia and New Zealand 510100-011
(23) Memory module
2-GB (PC3-10600, 1333-MHz, DDR3) 598856-001
1-GB (PC3-10600, 1333-MHz, DDR3) 598859-001
(24) Battery
8-cell, 73-Wh, 2.55-Ah for use in computers with 17.3-in displays 593576-001
9-cell, 93-Wh, 2.8-Ah for use in computers with 15.6-in displays 593573-001
6-cell, 47-Wh, 2.2 Ah for use in computers with 15.6-in displays 593572-001
(25) Base enclosure
For use in computers with 17.3-in displays 598681-001
For use in computers with 15.6-in displays 598680-001
(26) Hard drive (includes hard drive bracket)
500-GB, 7200-rpm 598698-001
320-GB, 7200-rpm 598697-001
250-GB, 7200-rpm 598696-001
(27) Optical drive (includes bezel)
DVD-ROM Drive 598693-001
DVD±RW Double-Layer Drive with LightScribe 598694-001
Blu-ray Disc ROM Drive with SuperMulti DVD±R/RW Double-Layer 598695-001
Rubber Kit (not illustrated, contains: 10 front rubber feet, 10 rear rubber feet, 10 back
edge screw covers, and 10 mylar screw covers for LCD bezel)
598678-001
Computer major components
27