IBM 7379E2U, Installation And User Manual

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d. Slide the rear flange of the heat sink into the opening in the retainer
bracket.
e. Press down firmly on the front of the heat sink until it is seated securely.
f. Rotate the heat-sink release lever to the closed position and hook it
underneath the lock tab.
13. Install a VRM in the connector next to microprocessor socket 2 (see
“System-board internal connectors” on page 22 for the VRM connector
location).
Note: A VRM must be installed when a second microprocessor is installed in
order to power on the server.
a. Open the retaining clips on each end of the VRM connector.
b. Turn the VRM so that the keys align with the connector.
c. Insert the VRM into the connector by aligning the edges of the VRM with
the slots at the end of the VRM connector. Firmly press the VRM straight
down into the connector by applying pressure on both ends of the VRM
simultaneously. The retaining clips snap into the locked position when the
VRM is seated in the connector.
14. Reinstall the air baffle (see “Installing the air baffle” on page 52).
15. Close the power-supply cage (see “Closing the power-supply cage” on page
56).
16. Reinstall the hot-swap power supplies.
17. Reinstall the left-side cover (see “Completing the installation” on page 96).
18. Reconnect the external cables and power cords.
If you have other devices to install or remove, do so now. Otherwise, go to
“Completing the installation” on page 96.
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IBM System x3400 M3 Type 7378/7379: Installation and User's Guide