Drive activity light
Network connectivity light
Diagnostic lights
Back of the computer
Link integrity light on integrated network adapter
Network activity light on integrated network adapter
Power supply light
start) — indicates a problem with the system board or power supply.
blinking blue — indicates that the computer is reading data from or writing data to the hard drive.
blue — indicates that a good connection exists between the network and the computer.
off (no light) — indicates that the computer is not detecting a physical connection to the network.
four amber lights on the front panel. For more information, see Diagnostics.
green — a good 10 Mbps connection exists between the network and the computer.
orange — a good 100 Mbps connection exists between the network and the computer.
yellow — a good 1000 Mbps connection exists between the network and the computer.
off (no light) — the computer is not detecting a physical connection to the network.
yellow light — a blinking yellow light indicates that network activity is present.
green light — the power supply is turned on and is functional. The power cable must be connected to the power connector (at the back of the computer) and the electrical outlet.
NOTE: You can test the health of the power system by pressing the test button. When the system's power supply voltage is within specification, the
Power |
|
|
Wattage |
|
|
255 W | 305 W (non- | |
| (EPA) | EPA) |
Desktop | 255 W | 255 W (non- |
| (EPA) | EPA) |
Small form factor | 235 W | 235 W (non- |
| (EPA) | EPA) |
Maximum heat dissipation |
|
|
1000 | 1603 BTU/hr | |
| BTU/hr | |
| (EPA) |
|
Desktop | 1000 | 1341 BTU/hr |
| BTU/hr | |
| (EPA) |
|
