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Management Module. The operating system must support the Wake on LAN feature, and the Wake on
LAN feature must be enabled through the Chassis Management Module web interface.
Turning off the compute node
Use this information for details about turning off the compute node.
When you turn off the compute node, it is still connected to power through the IBM NeXtScale n1200
Enclosure. The compute node can respond to requests from the IMM2, such as a remote request to turn
on the compute node. To remove all power from the compute node, you must remove it from the IBM
NeXtScale n1200 Enclosure.
Before you turn off the compute node, shut down the operating system. See the operating-system
documentation for information about shutting down the operating system.
The compute node can be turned off in any of the following ways:
• You can press the power button on the compute node (see "Compute node controls, connectors, and
LEDs" on page 12). This starts an orderly shutdown of the operating system, if this feature is supported
by the operating system.
• If the operating system stops functioning, you can press and hold the power button for more than 4
seconds to turn off the compute node.
Attention: Pressing the power button for 4 seconds forces the operating system to shut down
immediately. Data loss is possible.
System-board layouts
Use this information to locate the connectors, LEDs, jumpers, and switches on the system board.
System-board internal connectors
The following illustrations show the internal connectors on the system board.
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Chapter 1
The IBM NeXtScale nx360 M4 Compute Node Type 5455
15
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Table of Contents
Troubleshooting
