11. Intel GPU
12. Nvidia GPU
See “Running the DSA Preboot diagnostic programs” on page 86 for more
information on running the DSA Preboot program on the server.
v Troubleshooting by symptom
These tables list problem symptoms and actions to correct the problems. See
“Troubleshooting by symptom” on page 88 for more information.
Power-supply LEDs
The following minimum configuration is required for the server to start.
v One microprocessor in microprocessor socket 1
v One 4 GB DIMM on the system board
v One power supply
v Power cord
v Four cooling fans (fan 1, 2, 3, and 5)
AC 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 cord
Note: You must turn on the server for the DC LED on the power supply to be lit.
The following illustration shows the locations of the power-supply LEDs on the ac
power supply.
The following table describes the problems that are indicated by various
combinations of the power-supply LEDs on an ac power supply and suggested
actions to correct the detected problems.
AC power-supply LEDs
Description Action NotesAC DC Error (!)
On On/
Blinking
Off Normal operation.
USB
connectors
Video
Ethernet 1
Ethernet 2
Ethernet 3
Ethernet 4
System-management
/ Ethernet (dedicated)
NMI button
Power supply 1
Power supply 2
Figure 43. AC power-supply LEDs
78 System x3650 M5 Type 5462: Installation and Service Guide
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