HP ProBook 4520s Maintenance And Service Manual page 35

Item Description
i5-540M, 2.53-GHz, 3-MB cache
i7-620M, 2.26-GHz, 4-MB cache
(19) RTC battery
(20) HP un2420 Broadband Module
(21) Optical drive extender for use only in computers with 17.3-in displays
(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 use in all countries and regions except Australia and New Zealand
For use only in Australia and New Zealand
(23) Memory module
2-GB (PC3-10600, 1333-MHz, DDR3)
1-GB (PC3-10600, 1333-MHz, DDR3)
(24) Battery
8-cell, 73-Wh, 2.55-Ah for use in computers with 17.3-in displays
9-cell, 93-Wh, 2.8-Ah for use in computers with 15.6-in displays
6-cell, 47-Wh, 2.2 Ah for use in computers with 15.6-in displays
(25) Base enclosure
For use in computers with 17.3-in displays
For use in computers with 15.6-in displays
(26) Hard drive (includes hard drive bracket)
500-GB, 7200-rpm
320-GB, 7200-rpm
250-GB, 7200-rpm
(27) Optical drive (includes bezel)
DVD-ROM Drive
DVD±RW Double-Layer Drive with LightScribe
Blu-ray Disc ROM Drive with SuperMulti DVD±R/RW Double-Layer
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)
for more Cable Kit spare part information.
594188-001
587259-001
449137-001
531993-001
598687-001
510100-001
510100-011
598856-001
598859-001
593576-001
593573-001
593572-001
598681-001
598680-001
598698-001
598697-001
598696-001
598693-001
598694-001
598695-001
598678-001
Computer major components
27