Lenovo R61i - ThinkPad 7650 - Core 2 Duo 1.83 GHz Hardware Maintenance Manual page 84

Table 18. Removal steps of modem daughter card (MDC-1.5) (continued)
Turn the card over 3 , and detach the modem connector 4 .
3
4
When installing: Make sure that the modem connector and the connector on the
underside of the card are attached firmly.
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ThinkPad R61, R61e, and R61i (15.4-inch widescreen) Hardware Maintenance Manual