Sony PCV-E302DS VAIO User Manual page 558

See the manual that came with your S-Link equipped device for more information on setting it up and using
it.
Connecting a Universal Serial Bus Device
You can connect Universal Serial Bus (USB) devices to your computer. There is one USB connection
on the front of your computer and another one on the back.
Use the dark grey

symbol to locate the usb connector. Plug the USB cable into this connector.
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