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System board
NOTE: All system board spare part kits include an ExpressCard assembly, fan/heat sink, processor,
RTC battery, and replacement thermal material).
Description Spare part number
Equipped with 1.6-GHz processor 482277-001
Equipped with 1.2-GHz processor 482276-001
Equipped with 1.0-GHz processor 482275-001
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 29).
5.
Remove the following components:
a.
Keyboard (see
Keyboard on page 30)
b.
Hard drive (see
Mass storage device on page 33)
c.
Top cover (see
Top cover on page 35)
d.
Audio board (see
Audio board on page 37)
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 32)
●
WLAN module (see
WLAN module on page 45)
Component replacement procedures 41