Power-supply LEDs
This topic provides information about power-supply LEDs.
The following minimum configuration is required for the dc LEDs on the power
supply to be lit:
v AC power source
v Power cord connected
v Power supply with ac power present LED on
v I/O board with power supply connections
v Microprocessor board
The following minimum configuration is required for the server to start:
v AC Power source
v Power cord
v Power supply
v I/O board
v Microprocessor board
v One microprocessor
v Two DIMMs on one memory card
v Operator information panel
If the a memory expansion module is connected to the server, two 2 GB DIMMs on
the memory expansion module.
Chapter 3. Diagnostics 69