Sony PCG-XG9 - Manual (Page 63)

Connecting the Mini Docking Station 51
Left Right
Before connecting the Mini Docking Station
You need to plug the cable attached to the AC adapter into the DC IN
connector on the Mini Docking Station. Plug the power cord into the AC
adapter and an electrical outlet.
The DC IN indicator lights on.
✍
Use the specified AC adapter for the power rating of the Mini Docking Station.
Floppy disk drive connector PC card slot
AC adapter (supplied)
Power cord