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Installing a voltage regulator module
1 Microprocessor 2 VRM
2 Heat sink 2
3 VRM connector
To install a voltage regulator module, do the following:
1. Locate the VRM connector on the system board, next to the heat sink for
microprocessor 2 (see “System-board internal connectors” on page 131).
2. Open the retaining clips on each end of the VRM connector.
3. Turn the VRM so that the keys align with the connector.
4. 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.
5. Install the air baffle (see “Installing the air baffle” on page 170).
6. Return the power-supply cage to its closed position (see “Closing the
power-supply cage” on page 160).
7. Install the hot-swap power supply or power supplies (see “Installing redundant
power supply and fans” on page 177).
8. Install and lock the left-side cover (see “Installing the left-side cover” on page
158).
9. Reconnect the external cables and power cords; then, turn on the attached
devices and turn on the server.
Removing the front adapter-retention bracket
To remove the front adapter-retention bracket, complete the following steps:
1. Read the safety information that begins on page 5.
2. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
180 ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual