Dell Inspiron 640M Owner's Manual page 122

2
3
1 screw
4 pull-tab
4 Install the replacement modem:
Connect the modem cable to the modem.
a
NOTICE:
The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors and
realign the card.
Align the modem with the screw holes and press the modem into the connector on the system
b
board.
Replace the screw that secures the modem to the system board.
c
5 Replace the modem/Mini-Card/wireless cover.
122
Adding and Replacing Parts
1
4
5
2 modem cable
5 system board connector
3 modem