HP 320 - Notebook PC Maintenance And Service Manual page 39

Compaq 320, 321, 420, 421, 620 and 621 notebook pcs hp 420 and 620 notebook pcs - maintenance and service guide
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Item
Description
Realtek RTL8191SE 802.11b/g/n WiFi Adapter for use in all countries and regions
(23)
Hard drive (includes hard drive bracket)
500-GB, 7200-rpm
500-GB, 7200-rpm for use in 39.6-cm (15.6-in) computers
320-GB, 7200-rpm
320-GB, 7200-rpm for use in 39.6-cm (15.6-in) computers
250-GB, 7200-rpm
250-GB, 7200-rpm for use in 39.6-cm (15.6-in) computers
250-GB, 5400-rpm
160-GB, 7200-rpm
(24)
Optical drive (includes bezel)
DVD-ROM Drive
DVD±RW Double-Layer Drive with LightScribe
(25)
Access door
For use in 33.8-cm (13.3-in) and 35.6-cm (14.0-in) computers
For use in 39.6-cm (15.6-in) computers
593533-001
608139-001
611029-001
608138-001
611028-001
608137-001
611027-001
493994-001
455954-001
608140-001
608141-001
605784-001
605785-001
Computer major components
31

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