Sony PCV-RX550 Computer User Manual page 6

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Front panel
1 Optical drive 1
See specifications sheet for optical drive information.
2 Optical drive 2
See specifications sheet for optical drive information.
3 Floppy disk drive
Reads and writes data from and to a 3.5-inch floppy disk.
4 Floppy disk drive access indicator light
Lights in green while reading and writing data from and to a floppy disk.
6
DRIVE