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1150 System board and USB bracket
Important notices for handling the system board
When handling the system board, read the following:
• The system board has an accelerometer, which can be broken when several thousands of G-forces are
applied.
Note: Dropping a system board from a height of as little as 0.15 m (6 inches) so that it falls flat on a hard
bench can subject the accelerometer to as much as 6000 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.
• 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 material.
For access, remove these FRUs in order:
• "1020 Base cover assembly" on page 65
• "1030 Hard disk drive, cable, and bracket" on page 67
• "1050 Memory module" on page 69
• "1060 M.2 solid-state drive and brackets" on page 70
• "1090 Wireless LAN card" on page 74
• "1110 Built-in battery" on page 75
• "1130 Thermal fan assembly" on page 77
Attention: The following components soldered on the top side of the system board are extremely sensitive.
When you service the system board, avoid any kind of rough handling.
.
Chapter 8
Removing or replacing a FRU
79
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