Sony PCG-FX220K - Manual (Page 35)

Connecting the Port Replicator
35
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.
Port replicator connector
Attaching notebook to port replicator
Port replicator connector
Notebook
Port replicator (not supplied)