HP ProBook 4545s Notebook PC Maintenance and Service Guide

Item Description Spare part number
Atheros AR9485 802.11b/g/n WiFi Adpater HMC 675794-001
Atheros AR9462 802.11 a/b/g/n 2x2 Bluetooth 4.0 Combo 676786-001
Atheros AR9565 802.11 b/g/n + Bluetooth 4.0 Combo Adapter 690019-001
Broadcom 4313GN 802.11b/g/n 1x1 WiFi and 20702 Bluetooth 4.0 Combo Adapter 657325-001
Ralink RT5390F 802.11 b/g/n 1x1 PCIe C 670691-001
Ralink RT3290LE 802.11 b/g/n 1x1 WiFi and Bluetooth 4.0 Combo Adapter 690020-001
Ralink RT5390R 802.11 b/g/n 1x1 WiFi Adapter 691415-001
(16) USB connectors with cable (part of Cable Kit 683477-001)
(17) Memory modules (PC3-12800, 1600-MHz, DDR3)
4-GB 641369-001
2-GB 652972-001
(18) Optical drive (includes bracket, bezel, and screws)
Blu-ray ROM DVD±RW SuperMulti DL Drive 683499-001
DVD-ROM ±RW Double Layer 683500-001
DVD-ROM 700845-001
(19) Processor (includes thermal material)
AMD A4-4300M (3.0-GHz/2.5-GHz, 1-MB L2 cache) 685990-001
AMD A6-4400M (3.0-GHz/2.6-GHz, 4-MB L2 cache) 683047-001
AMD A8-4500M (3.0-GHz/2.1-GHz, 2-MB L2 cache) 683048-001
(20) Heat sink (includes replacement thermal material — thermal grease for CPU and thermal
pad for VGA)
For use in models with discrete graphics 683602-001
For use in models with UMA graphics 683603-001
(21) Fan 683484-001
(22) Hard drive
750-GB, 7200-rpm (2.5 in) 633252-001
750-GB, 5400 rpm (2.5 in) 634250-001
640-GB, 5400-rpm (2.5 in) 669300-001
500-GB, 7200 rpm (2.5 in) 634925-001
320-GB, 7200-rpm (2.5 in) 641672-001
(23) Bottom door 690978-001
Computer major components 21