IBM 8872 Service Guide - Page 73
Power-supply
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UPC - 000435813060
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Power-supply LEDs The following minimum configuration is required for the DC LED on the power supply to be lit: v Power supply v Power backplane v Power cord v Microprocessor tray The following minimum configuration is required for the server to start: v One microprocessor v Two 1 GB DIMMs on the memory card v One power supply v Power backplane v Power cord v I/O board v PCI-X board assembly The following illustration shows the locations of the power-supply LEDs. Power supply 1 (PS1) DCAC AC DC AC power LED (green) DC power LED (green) 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. Chapter 2. Diagnostics 57
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