Installing The Wwan Card - Toshiba Satellite M640 Maintenance Manual

4 Replacement Procedures

Installing the WWAN Card

Install the WWAN card according to the following procedures.
1. Connect the two antenna cables to the WWAN card. Connect the red WWAN antenna
(main) to the #1 connector, and the blue WWAN antenna (auxiliary) to the #2 connector.
2. Insert the WWAN card into the connector on the motherboard at a 45 degree angle.
3. Press down the WWAN card and secure it with one M2x3 screw, as indicated in Figure
4.8.
Satellite M600/M640/M645/M647 Maintenance Manual
4.6 WWAN Card
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