Lenovo System x3950 X6 Manuel de démarrage rapide - Page 21

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Cooling subsystem

There are five cooling zones (Figure 19) fed by two different types of fan packs. The Storage

Book is fed by a fan pack on the Primary I/O Book, and each CPU book is fed by a pair of fan

packs (Figure 19).

Figure 19 Cooling zones

Keep in mind the following notes regarding the cooling subsystem:

If a fan on a CPU book is removed for more than 10 seconds, the system begins to

generate thermal events, and the system might shut itself down in approximately 5

minutes if the fan is not replaced.

A failed fan pack on a system causes it to fail to power on. If you have a fan installed and

the system fails to power on, remove the fan pack (Figure 20) and validate that the power

connector on the fan has not come loose.

Figure 20 Compute and Primary I/O Book fans

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Compute Book fan

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Primary I/O Book fan

Lenovo System x3850 X6 and x3950 X6 Quick Start Guide