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System board
NOTE: The system board spare part kit includes replacement thermal material. Replacement
thermal material is also available in the Thermal Material Kit, spare part number 634433-001.
Description Spare part number
AMD processor:
For use only with computer models equipped with the AMD A60M chipset and a graphics
subsystem with 1024 MB of discrete video memory, supports BACO
649950-001
For use only with computer models equipped with the AMD A60M chipset and a graphics
subsystem with 512 MB of discrete video memory, supports BACO
649949-001
For use only with computer models equipped with the AMD A60M chipset and a graphics
subsystem with UMA video memory
649948-001
Intel processor:
For use only with computer models equipped with the Intel HM65 chipset and a graphics
subsystem with 1024 MB of discrete video memory, BACO
650199-001
For use only with computer models equipped with the Intel HM65 chipset and a graphics
subsystem with 512 MB of discrete video memory, supports BACO
650198-001
For use only with computer models equipped with an HM65 chipset and a graphics subsystem with
UMA video memory
636373-001
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 37), and then remove the following components:
●
Optical drive (see
Optical drive on page 39)
●
Hard drive (see
Hard drive or SSD on page 41)
●
RTC battery (see
RTC battery on page 43)
●
WLAN module (see
WLAN module on page 45)
●
Keyboard (see
Keyboard on page 47)
●
Top cover (see
Top cover on page 50)
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 44)
●
Fan and heat sink (see
Fan and heat sink on page 65)
●
Processor (see
Processor on page 72)
Component replacement procedures 61