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Tower (TWR) front panel components
Drive configuration may vary by model. Some models have a bezel blank covering one or more drive
bays.
1 5.25-inch Half-Height Drive Bay (behind bezel) 6 Hard Drive Activity Light
2 USB 2.0 Ports (black) 7 Slim Optical Drive (optional)
3 USB 3.0 Ports (blue) 8 3.5-inch Media Card Reader (optional)
4 Headphone Connector 9 Microphone/Headphone Connector
5 Dual-State Power Button
NOTE: When a device is plugged into the Microphone/Headphone Connector, a dialog box will pop up asking if
you want to use the connector for a microphone Line-In device or a headphone. You can reconfigure the
connector at any time by double-clicking the Audio Manager icon in the Windows taskbar.
NOTE: The Power On Light is normally white when the power is on. If it is flashing red, there is a problem with
the computer and it is displaying a diagnostic code. Refer to the Maintenance and Service Guide to interpret the
code.
ENWW Tower (TWR) front panel components 3