HP ProBook 6545b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 141
Expansion and primary memory modules see, system board and installed on the replacement system board - sim reader
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Removal and replacement procedures i. TouchPad (see "TouchPad" on page 4-35) j. Display assembly (see "Display assembly" on page 4-42) k. Top cover (see "Top cover" on page 4-56) l. ExpressCard assembly (see "ExpressCard assembly" on page 4-60) m. Speaker assembly (see "Speaker assembly" on page 4-65) n. Card reader/USB board (see "Card reader/USB board" on page 4-69) When replacing the system board, be sure that the following additional components are removed from the defective system board and installed on the replacement system board: ■ SIM (see "SIM" on page 4-8) ■ Expansion and primary memory modules (see "Expansion memory module" on page 4-14 and "Primary memory module" on page 4-27) ■ WLAN module (see "WLAN module" on page 4-16) ■ WWAN module (see "WWAN module" on page 4-19) ■ RTC battery (see "RTC battery" on page 4-29) ■ Processor (see "Processor" on page 4-40) ■ Modem module (see "Modem module" on page 4-63) ■ Bluetooth module cable (see "Bluetooth module cable" on page 4-67) 4-72 Maintenance and Service Guide