IBM X220 - Manual (Page 82)

Table 17. Removal steps of PCI Express Mini Card for wireless LAN/WiMAX (continued)
When installing
• In models with a wireless LAN card that has two antenna connectors, plug the gray cable into the jack labeled
MAIN or M on the card, and the black cable into the jack labeled AUX or A. If the computer you are servicing has
three cables, put the white cable in the cable protection tube.
• In models with a wireless LAN card that has three antenna connecotrs, plug the gray cable (MAIN) into the
jack labeled TR1, the white cable (third) into the jack labeled RO or TR3, and the black cable (AUX) into the
jack labeled TR2 on the card.
1100 PCI Express Mini Card for wireless WAN
For access, remove these FRUs in order:
•
“1020 Battery pack” on page 61
• “1060 Keyboard” on page 67
• “1070 Palm rest” on page 70
76 ThinkPad X220 Tablet and X220i Tablet Hardware Maintenance Manual