Quick Reference Guide
19
About Your Computer
Front View (Tower Orientation)
1
upper 5.25-inch drive bay
Holds a CD/DVD drive.
2
lower 5.25-inch drive bay
Holds a CD/DVD drive or an optional third hard drive.
3
upper 3.5-inch drive bay
Holds an optional fourth hard drive (serial ATA).
4
lower 3.5-inch drive bay
You can use the bay for an optional floppy drive or an optional
Media Card Reader.
5
hard-drive activity light
The hard drive light is on when the computer reads data from or
writes data to the hard drive. The light might also be on when a
device such as your CD player is operating.
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