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1170 System board
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:
• "1030 Base cover assembly" on page 65
• "1040 Hard disk drive" on page 67
• "1060 Memory module" on page 69
• "1070 M.2 solid-state drive" on page 70
• "1080 I/O card" on page 71
• "1090 Speaker assembly" on page 72
• "1110 Wireless LAN card" on page 73
• "1120 Battery pack" on page 74
• "1130 Coin-cell battery" on page 75
• "1140 Thermal fan assembly" on page 76
• "1150 Trackpad cable and trackpad" on page 77
• "1160 Keyboard bezel assembly and LCD unit" on page 78
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.
80
E480, E485, and R480 Hardware Maintenance Manual
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