Lenovo 3821, 3822, 3719, 3823 manual

Heat sink flange

Microprocessor

Release level locking tab

Retainer bracket

Alignment tab

Heat sink release level

Notch

Attention: The heat sink is keyed to the retention module. Make sure that the notch on the heat sink fits over the alignment tab on the retention module.

d.Align the notch on the heat sink with the alignment tab on the retainer module.

e.Slide the rear flange of the heat sink into the opening in the retainer bracket.

f.Press down firmly on the front of the heat sink until it is seated securely.

g.Rotate the heat-sink release lever to the closed position and hook it underneath the locking tab.

7.If you are installing microprocessor 2, install a VRM in the connector next to microprocessor socket 2 (see “System-board internal connectors” on page 131 for the VRM connector location).

Note: A VRM must be installed for microprocessor 2. The server will not start if microprocessor 2 is installed without a VRM.

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.

8.Install the air baffle (see “Installing the air baffle” on page 170).

224ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual