4. Lift the board and cable straight up out of the computer (4).
Reverse this procedure to install the USB board.
System board
NOTE: All system board spare part kits include replacement thermal material.
Description Spare part number
Systems boards for use in models without Windows 8:
1-GB of discrete memory 683598-001
2-GB of discrete memory 683599-001
Shared video memory with UMA graphics 683600-001
Systems boards for use in Windows 8 models:
1-GB of discrete memory 683598-501
1-GB of discrete memory 683598-601
2-GB of discrete memory 683599-501
2-GB of discrete memory 683599-601
Shared video memory UMA graphics 683600-501
Shared video memory with UMA graphics 683600-601
70 Chapter 4 Removal and replacement procedures