IBM X220 - Manual (Page 80)

Table 16. Removal steps of backup battery (continued)
When installing:
Make sure that the battery connector is attached firmly.
1090 PCI Express Mini Card for wireless LAN/WiMAX
For access, remove these FRUs in order:
•
“1020 Battery pack” on page 61
• “1060 Keyboard” on page 67
• “1070 Palm rest” on page 70
Table 17. Removal steps of PCI Express Mini Card for wireless LAN/WiMAX
In step 1 , unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors
with your fingers and gently unplug them in the direction shown by the arrow.
Note: Some models might have three antenna cables.
74 ThinkPad X220 Tablet and X220i Tablet Hardware Maintenance Manual