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When installing: Ensure that the end of cable marked with PB is attached rmly to the power button sub
card, and the end marked with MB is attached rmly to the system board.
1150 Hard disk drive or solid-state drive cable
For access, remove these FRUs in order:
• “1010 Bottom cover” on page 58
• “1020 Battery pack” on page 60
• “1030 Hard disk drive or solid-state drive assembly” on page 61
• “1040 Keyboard” on page 63
• “1070 PCI Express Mini Card for wireless WAN or mSATA solid-state drive” on page 68
• “1090 Keyboard bezel” on page 72
Removal steps of hard disk drive or solid-state drive cable
When installing: Ensure that the connector is attached rmly to the system board.
1160 System board assembly and thermal fan assembly
Important notices for handling the system board
When handling the system board, bear the following in mind:
• The system board has an accelerometer, which can be broken if several thousands of G-forces are applied.
Note: Dropping a system board from a height of as little as six inches so that it falls at on a hard bench can subject
the accelerometer to as much as 6,000 G's of shock.
• Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
• If a system board is dropped, be sure to document the drop in any reject report, and replace the system board.
• Avoid rough handling of any kind.
• At every point in the process, be sure not to drop or stack the system board.
• If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated
conductive surface.
Chapter 9. Removing or replacing a FRU 79