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Hardware Maintenance Manual
1090 System board
Important notices for handling the system board:
When handling the system board, bear the following in mind.
• Be careful not to drop the system board on a bench top that has a hard surface,
such as metal, wood, or composite.
• Avoid rough handling of any kind.
• During the whole process, make sure not to drop or stack the system board.
• If you put a system board down, make sure to put it only on a padded surface such
as an ESD mat or conductive corrugated material.
For access, remove these FRUs in order:
• “1010 Base cover” on page 33
• “1020 Battery pack” on page 37
• “1030 PCI Express Mini Card for wireless LAN” on page 39
• “1040 DIMM” on page 41
• “1050 SSD card” on page 42
• “1060 Speakers” on page 44
• “1070 Fan and heat sink assembly” on page 45
• “1080 Upper case” on page 47
Figure 9. Removal steps of system board
Disconnect the connectors in the directions shown by arrows
1
-
2
.
b
a
When installing:
Make sure that the connectors are attached firmly.