Sony PCG-FX390P - Manual (Page 47)

Connecting a Port Replicator
47
1 Turn off your notebook and disconnect all peripheral devices.
2 On the bottom of the notebook, slide the port replicator connector cover
open.
3 Attach the bottom of the notebook to the port replicator connector until it
clicks.
4 Plug the cable attached to the AC adapter into the DC IN jack on the port
replicator.
Port replicator connector
Attaching notebook to port replicator
Port replicator connector
Notebook
Port replicator
(not supplied)