Installing A System Fan - Lenovo System x3250 M4 Installation And Service Manual

Step 4. Disconnect any cables from the adapters in the PCI riser-card assembly.
Step 5. Place the PCI riser-card assembly on a flat, static-protective surface. If you are instructed to return
the PCI riser-card assembly, follow all packaging instructions, and use any packaging materials for
shipping that are supplied to you.
If you are instructed to return the server component or optional device, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.

Installing a system fan

Use this information to install a system fan in the server.
Read the safety information in "Safety" on page v and "Installation guidelines" on page 33.
If you are installing an optional device in the server, turn off the server and peripheral devices, and disconnect
the power cords and all external cables.
To install a system fan, complete the following steps.
Step 1. Position the fan so that the airflow arrow on the fan points toward the rear of the server.
Note: The correct airflow is from the front to the rear of the server.
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Lenovo System x3250 M4 Installation and Service Guide
Riser-card
assembly