- Notes, cautions, and warnings
- Copyright
- About your system
- Using The System Setup And Boot Manager
- Installing System
Components
- Recommended Tools
- Opening And Closing The System
- Bezel
- Chassis intrusion switch
- Inside the system
- Thermal Sensor
- Power switch
- Input/Output (I/O) panel
- Hard drives
- Removing the hard drive cage
- Installing the hard drive cage
- Removing a 3.5-inch hard drive carrier from the hard drive cage
- Installing a 3.5-inch hard drive carrier in the hard drive cage
- Removing a 2.5-inch hard drive(s) from the optical drive bay
- Installing a 2.5-inch hard drive(s) in the optical drive bay
- Removing a 3.5-inch hard drive carrier from the hard drive bay
- Installing a 3.5-inch hard drive carrier in the hard drive bay
- Removing A Hard Drive From A Hard-Drive Carrier
- Installing A Hard Drive Into A Hard-Drive Carrier
- Optical drive
- System memory
- Sample memory configurations
- System fan
- Expansion cards
- Processors
- Power supply unit
- System Battery
- System board
- Troubleshooting
your system
- Power LED Diagnostics
- Memory Beep Code
- Troubleshooting System Startup Failure
- Troubleshooting external connections
- Troubleshooting the video subsystem
- Troubleshooting a USB device
- Troubleshooting a serial I/O device
- Troubleshooting A NIC
- Troubleshooting A Wet System
- Troubleshooting A Damaged System
- Troubleshooting the system battery
- Troubleshooting A Non-Redundant Power Supply
- Troubleshooting cooling problems
- Troubleshooting The System Fan
- Troubleshooting System Memory
- Troubleshooting An Optical Drive
- Troubleshooting A Hard Drive
- Troubleshooting Expansion Cards
- Troubleshooting The Processor
- Using System Diagnostics
- Jumpers and connectors
- Technical Specifications
- System Messages
- Getting help
Dell PowerEdge T20 Owner's Manual
Front-Panel Features And Indicators
| Item | Indicator, Button, or Connector | Icon | Description |
|---|---|---|---|
| 1 | Power-on indicator, power button |  | The power-on indicator lights when the system power is on. The power button controls the power supply output to the system. |
| 2 | Optical drive (optional) | One optional slim SATA DVD-ROM drive or DVD+/-RW drive. | |
| 3 | Headphone connector |  | Allows you to connect a headphone to the system. |
| 4 | Microphone connector |  | Allows you to connect a microphone to the system. |
| 5 | USB connectors (2) |  | Allow you to connect USB devices to the system. The ports are USB 3.0 compliant. |
| 6 | USB connectors (2) |  | Allow you to connect USB devices to the system. The ports are USB 2.0 compliant. |
| 7 | Hard drive indicator |  | Indicates the hard drive activity. |
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