Sony VAIO VAIO MicroTower User Manual page 25

Some models of the VAIO MicroTower include i.LINK (IEEE-1394)
connectors. See Read Me First for information on your specific model.
i.LINK connectors may be located on the front, back, or both the front and
back of your system.
Use the symbol to locate the
the i.LINK device into this connector.
connector. Plug