Nextscale Nx360 M5 Water-Cooled - Lenovo NeXtScale nx360 M5 Installation And Service Manual

2) Query for the machine type model, chassis serial number, and the UUID values by using the CLI
info command. Record this information before you proceed.
b. Chassis is not operating:
1) Obtain the chassis serial number and the machine type model from one of the chassis labels.
Use this information to query http://w3-01.ibm.com/pc/entitle/ pg2/Service.wss/mts/Lookup for
the UUID.
2) Record the chassis serial number, the machine type model, and the UUID before you proceed.
3. Shut down the operating systems and turn off any compute nodes in the chassis. See the
documentation that comes with the compute node for detailed instructions.
4. Open the release handles on the compute nodes and the management node, if one is installed, to
disengage the nodes from the chassis midplane connectors.
5. Disconnect the chassis from power.
6. Disconnect all cables from the modules in the rear of the chassis.
7. Remove the components from rear and front of the chassis.
To remove the chassis midplane, complete the following steps.
Step 1. Disengage the compute nodes in the front of the chassis.
Step 2. Remove the fan and power controller and power supplies from the chassis.
Step 3. Loosen the three captive screws on the top cover.
Step 4. Rotate the top cover outwards.
Figure 117. Top cover outward rotation
Step 5. Loosen the three captive screws that secure the chassis midplane to the chassis.
Step 6. Lift up the chassis midplane half way. Put a screwdriver or a stick in the middle of the chassis
midplane so your hands are free.
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Lenovo NeXtScale nx360 M5 water-cooled technology tray Lenovo NeXtScale n1200 Enclosure Installation and Service Guide
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