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SPARC M8 and SPARC M7 Servers Service Manual

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Updated: September 2017

Servicing Fan Modules (CMIOU Chassis)

A CMIOU chassis contains eight fan modules. The server can operate at full capacity with seven fan modules installed in the CMIOU chassis. The server will not operate with fewer than seven fan modules. If the server is operating with seven fan modules and one or more of those fan modules fails, the server will continue operating until defined temperature thresholds are exceeded, at which point the server will perform a graceful shutdown.

For the location of the fans in the CMIOU chassis and their respective labels, see CMIOU Chassis Front Components.


Caution  -  This procedure requires that you handle components that are sensitive to electrostatic discharge. This discharge can cause server components to fail. Follow antistatic precautions to prevent electrostatic damage. See Prevent ESD Damage.

These topics explain how to service the fan modules in the CMIOU chassis.

Learn about fan module locations in the CMIOU chassis.
Learn about fan module LEDs.
Replace a fan module.

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