Lenovo Thinkpad S2 2nd Gen Hardware Maintenance Manual page 85

• 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:
• "1010 Base cover assembly" on page 60
• "1030 M.2 solid-state drive" on page 67
• "1040 Memory module" on page 68
• "1050 Wireless LAN card" on page 69
• "1060 Coin-cell battery" on page 70
• "1130 USB support bracket/OneLink+ bracket " on page 75
• "1140 Thermal fan assembly" on page 77
Attention: The following components soldered on the top side of the system board is extremely sensitive.
When you service the system board, avoid any kind of rough handling.
a Microprocessor
Disconnect the connectors attached to the system board.
.
Chapter 9 Removing or replacing a FRU
79