Sony PCG-C1XS - Manuel (Page 67)

Connecting an External USB Mouse 55
Connecting an External USB Mouse
You can connect an external USB mouse PCGA-UMS1 (optional) to your
computer.
To connect an external mouse
Plug the mouse cable into the USB connector. PCGA-UMS1 driver has
already been installed.
✍
A serial mouse or PS/2 mouse is not compatible with the VAIO ® C1 PictureBook Computer.
See the manual that came with your mouse for more information on installation and use.
USB Mouse
to
USB Connector