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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 six 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 Nano-SIM-card tray (for selected models)" on page 62
• "1010 Base cover assembly" on page 61
• "1100 M.2 solid-state drive" on page 73
• "1030 Wireless WAN card (for selected models)" on page 62
• "1050 Speaker assembly" on page 64
• "1070 Built-in battery" on page 70
• "1040 Memory module" on page 64
• "1120 dc-in bracket and dc-in cable" on page 78
Attention: The microprocessor soldered on the system board is extremely sensitive. When you service the
system board, avoid any kind of rough handling.
Removal steps of the combined system board assembly (for RTX models only) and buzzer with cable
.
Chapter 8
Removing or replacing a FRU
87
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