System board
NOTE:
All system board spare kits include a modem module cable and hard drive thermal pads.
Description
Spare part number
System board for use with computer models with Intel processors:
With 256 MB of video system memory for use only with computer models with discrete video system
memory
447983-001
With 128 MB of video system memory for use only with computer models with discrete video system
memory
447982-001
System board for use only with computer models with UMA video system memory
447984-001
System board for use with computer models with AMD processors:
With discrete video system memory
450799-001
With UMA video system memory
450800-001
Processor bracket v8.1
450371-001
Processor bracket v7.9
450370-001
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 47
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 52
)
b.
Optical drive (see
Optical drive on page 59
)
c.
Switch cover (see
Switch cover on page 61
)
d.
Keyboard (see
Keyboard on page 63
)
e.
Speaker assembly (see
Speaker assembly on page 66
)
f.
Display assembly (see
Display assembly on page 69
)
g.
Top cover (see
Top cover on page 75
)
h.
Wireless switch board (see
Wireless switch board on page 80
)
i.
Front USB board (see
Front USB board on page 84
)
j.
ExpressCard assembly (see
ExpressCard assembly on page 85
)
92
Chapter 4 Removal and replacement procedures
