Specifications

System board
NOTE: The system board spare part kit includes replacement thermal material.
Description Spare part number
System board with UMA graphics and RTC battery with RS880M chipset 611803-001
System board with discrete graphics and RTC battery with RS880M chipset 611802-001
Before removing the system board, 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 51).
5.
Remove the service door (see
Service door on page 52).
6.
Remove the hard drive (see
Hard drive on page 54).
7.
Remove the optical drive (see
Optical drive on page 61).
8.
Remove the fan (see
Fan on page 63).
9.
Remove the palm rest (see
Palm rest on page 68).
10.
Remove the keyboard (see
Keyboard on page 71).
11.
Remove the top cover (see
Top cover on page 75).
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
Memory module (see
Memory module on page 57)
●
WLAN module (see
WLAN module on page 59)
●
Modem module (see
Modem module on page 101)
●
Heat sink (see
Heat sink on page 64)
●
Processor (see
Processor on page 66)
●
Audio board (see
Audio board on page 104)
94 Chapter 4 Removal and replacement procedures