Specifications

Modem module
NOTE: The modem module spare part kit does not include a modem module cable. The modem
module cable is included in the Cable Kit, spare part number 490314-001. See
Cable Kit on page 23
for more Cable Kit spare part number information.
Description Spare part number
For use in all countries and regions except Australia and New Zealand 461749-001
For use only in Australia and New Zealand 461749-011
Before removing the modem module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 40).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 41)
b. Optical drive (see
Optical drive on page 47)
c. Keyboard (see
Switch cover and keyboard on page 49)
d. Switch cover (see
Switch cover and keyboard on page 49)
e. Speakers (see
Speakers on page 54)
f. Display assembly (see
Display assembly on page 55)
g. Top cover (see
Top cover on page 60)
h. System board (see
System board on page 68)
Remove the modem module:
1. Turn the system board upside down, with the audio connectors toward you.
2. Remove the two Phillips 4.0-mm screws (1) that secure the modem module to the system board.
3. Lift the modem module (2) straight up to release it from the system board.
72 Chapter 4 Removal and replacement procedures