1110 Coin-Cell Battery - Lenovo ThinkPad X240 Hardware Maintenance Manual

When installing:
Ensure that the connectors are attached firmly.
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.
a Platform Controller Hub (PCH)
b Microprocessor

1110 Coin-cell battery

For access, remove the following FRUs in order:
• "1010 External battery pack" on page 59
• "1020 Base cover assembly" on page 59
• "1030 Internal battery pack" on page 60
• "1040 Memory module" on page 62
• "1060 Wireless-LAN card" on page 65
• "1070 Wireless-WAN card or M.2 solid-state drive" on page 66
• "1080 Fan assembly" on page 67
• "1100 System board" on page 70
DANGER
Use only the authorized battery specified for your computer. Any other battery could ignite or
explode.
a
Chapter 9
.
Removing or replacing a FRU
73