Lenovo x3300 M4 7382 Installation And Service Manual page 136

The following illustration shows the location of the power-supply LEDs (fixed power supplies) on the rear of
the server.
The following minimum configuration is required for the DC LED on the power supply to be lit:
• Power supply
• Power cord
Note: You must turn on the server for the DC LED on the power supply to be lit.
The following minimum configuration is required for the server to start:
• One microprocessor in microprocessor socket 1
• One 2 GB DIMM (per microprocessor) on the system board
• One power supply
• Power cord
• 2 cooling fans (fan 2 and rear fan)
The following table describes the problems that are indicated by various combinations of the power-supply
LEDs and the power-on LED on the operator information panel and suggested actions to correct the
detected problems.
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System x3300 M4 Installation and Service Guide