Front panel LEDs indicate the following when lit:

■Power On LED (steady green indicates power is on and blinking green indicates system is in sleep mode).

■HDD Activity LED (green) indicates when hard drive is active.

■NIC Activity LED (green) indicates LAN activity.

■System Fault LED (yellow) indicates ECC (Error Checking and Correcting) memory system fault (steady indicates an uncorrectable ECC fault and blinking indicates a correctable ECC fault).

System Fault LED reset switch is used to clear system fault LED.

Power button turns the computer on and off. It also enables sleep-mode in some operating systems.

Reset button restarts the system when it becomes non-responsive.

Front panel

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