Sony PCG-GRX500K - Manual (Page 58)

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Connecting an External Floppy Disk Drive
You can connect a Sony USB floppy disk drive (not supplied) to a USB port
on your notebook. Your notebook has three USB ports: one located on the left
panel, one located on the right panel, and one located on the rear panel.
To connect an external floppy disk drive
Plug the USB connector into the USB port. The VAIO logo on the USB
floppy disk drive should be facing upward.
✍
You do not need to shut down your notebook before connecting or disconnecting a
floppy disk drive.
Connecting an External Floppy Disk Drive
Floppy disk drive
(not supplied)
USB connector
USB ports