Lenovo IdeaPad S9e -FR - Manual (Page 72)

Table 17. Removal steps of PCI Express Mini Card for wireless WAN (for IdeaPad
S10) (continued)
3
When installing: Plug the black cable into the jack labeled MAIN on the card,
and the gray cable into the jack labeled AUX .
64 IdeaPad S9e, S10e, and S10 Hardware Maintenance Manual