Lenovo THINKSERVER 3821 - Manual (Page 238)

Installing a microprocessor retention module
To install a microprocessor retention module, complete the following steps:
1. Orient the triangle-shaped indicator on one corner of the microprocessor
retention module to the corresponding alignment triangle on the system board;
then, place the retention module on the system board.
2. Using a T8 Torx screwdriver, install the four screws that secure the module to
the system board.
3. Install the microprocessor and heat sink (see “Installing a microprocessor and
heat sink” on page 220).
Attention: Make sure that you install each heat sink with its paired
microprocessor.
4. Install the air baffle (see “Installing the air baffle” on page 170).
5. Return the power-supply cage to its closed position (see “Closing the
power-supply cage” on page 160).
6. Install the power supplies (see “Installing a hot-swap power supply” on page
175).
7. Install and lock the left-side cover (see “Installing the left-side cover” on page
158).
8. Reconnect the external cables and power cords; then, turn on the attached
devices and turn on the server.
230 ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual