Sony PCG-GRS100 - Manual (Page 107)

Using External Mice and Keyboards
107
To connect a PS/2® mouse or keyboard to your port replicator
1 Locate the USB port on your computer, port replicator, or docking
station.
2 Plug the PS/2® cable into the PS/2 port on the port replicator. If the New
Hardware Wizard appears, follow the on-screen instructions to complete
the installation process.
Connecting a USB Mouse or Keyboard
✍
See the guide that came with your mouse or keyboard for more information on its
installation and use.
USB cable
USB ports