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Installing a heat-sink retention module
1 Alignment triangle
To install a heat-sink retention module, complete the following steps:
1. Place the heat-sink retention module in the microprocessor location on the
system board.
2. Using a Phillips screwdriver, install the four screws that secure the module to
the system board.
3. Install the 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.
228 ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual