Sony PCG-FX20, PCG-FX203K Connecting a Universal Serial Bus (USB) mouse, n N, port replicator, You can use your USB mouse (3), To connect a USB mouse, proceed as follows:

Connecting peripheral devices		n N
Guide		69
	Connecting a Universal Serial Bus (USB) mouse
User	You can connect a USB device (e.g. mouse, floppy disk drive…) to your computer.
Notebook	To connect a USB mouse, proceed as follows:
	1 You can find 2 USB connectors (1) at the back of your notebook and 3 USB connectors at the back of the
Sony	port replicator.
	You can use your USB mouse (3).
	2 Plug the USB mouse cable (2) into the USB connector.

✍You do not need to shut down the computer before connecting or disconnecting a USB peripheral.

The USB mouse software driver is preinstalled on your notebook, therefore, you only need to plug the USB mouse into the USB connector and you can start working.

You may need to install software (device drivers) supplied with your USB device before using the USB device.