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.

74ThinkPad X220 Tablet and X220i Tablet Hardware Maintenance Manual

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IBM X220I manual PCI Express Mini Card for wireless LAN/WiMAX