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NovaScale R620 User Guide
CPU/IO MODULE
To replace a CPU (processor, DIMM (memory), PCI card, you need to remove the CPU/IO module.
IMPORTANT:
Ask your sales agent to replace the CPU/IO module and components of the CPU/IO module.
Make sure to read "ANTI-STATIC MEASURES" and "PREPARING YOUR SYSTEM FOR UPGRADE" before
installing or removing options.
To install or remove CPU or DIMM, first power off the server before removing the CPU/IO module.
Removing the module being operating may cause unexpected trouble. Use the management software (e.g., Server
Maintenance Utility or ESMPRO Manager) to identify the module to be removed so that the module is removed
when it is stopped, without fail
Then remove the relevant module after verifying the Status LED on the CPU/IO module. See Chapter 2 “LEDs” for
details of the Status LED.
After installing the CPU/IO module, always power on the module using the power switch.
Precautions
When replacing a CPU/IO module, replace one module and wait until dual configuration is established to replace the
other module. If you replace both modules simultaneously, establishing dual CPU/IO module configuration, which can
result in interruption of the whole system. (See Chapter 7 “Troubleshooting.”)
8-10
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