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Description Spare part number
For use only with computer models equipped with the 6490 chipset and an Intel Quad
Core processor (includes 1024-MB of discrete graphics subsystem memory)
639389-001
For use only with computer models equipped with the 6490 chipset and an Intel Dual Core processor
(BACO, includes 1024-MB of discrete graphics subsystem memory)
659096-001
For use only with computer models equipped with the 6490 chipset and an Intel Dual Core processor
(includes 1024-MB of discrete graphics subsystem memory)
639390-001
Thermal Material Kit (includes replacement thermal pads and paste):
For use only with computer models equipped with an AMD A8, A6, A4, or E2 processor and a
graphics subsystem with discrete memory
654111-001
For use only with computer models equipped with an AMD A8, A6, A4, or E2 processor and a
graphics subsystem with UMA memory
654112-001
For use only with computer models equipped with an AMD Athlon, Phenom, or Turion processor and
a graphics subsystem with discrete memory
640457-001
For use only with computer models equipped with an AMD Athlon, Phenom, or Turion processor and
a graphics subsystem with UMA memory
640456-001
For use only with computer models equipped with an Intel processor and a graphics subsystem with
2-GB of discrete memory
650801-001
For use only with computer models equipped with an Intel processor and a graphics subsystem with
discrete memory
641493-001
For use only with computer models equipped with an Intel processor and a graphics subsystem with
UMA memory
641492-001
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 52), and then remove the following components:
●
Optical drive (see
Optical drive on page 53)
●
Hard drive (see
Hard drive on page 56)
●
WLAN module (see
WLAN module on page 62)
●
Keyboard (see
Keyboard on page 65)
●
Top cover (see
Top cover on page 68)
88 Chapter 4 Removal and replacement procedures