1-3 5.25-inch drive bays
4
5
6IEEE 1394 connector
7USB 2.0 connectors (2)
8power button, power light
9network link light
10diagnostic lights
(4)
Can hold an optical drive, Media Card Reader, floppy drive, or SATA hard drive in a
The
Can hold an optical drive, Media Card Reader, floppy drive, or SATA hard drive in a
The
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 optical drive, is operating.
Use the IEEE 1394 connector for
Use the front USB connectors for devices that you connect occasionally, such as flash memory keys, cameras, or bootable USB devices.
It is recommended that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards.
Press the power button to turn on the computer. The light in the center of this button indicates power state. See "Controls and Lights" on page 32 for more information.
NOTICE: To avoid losing data, do not use the power button to turn off the computer. Instead, perform an operating system shutdown.
The network link light is on when a good connection exists between a
Use these lights to help you troubleshoot a computer problem based on the diagnostic code. For more information, see "Diagnostic Lights" on page 105.
22
About Your Computer
