Installing A Voltage Regulator Module - IBM 7378 Problem Determination And Service Manual

Installing a voltage regulator module

Heat sink 2
To install a voltage regulator module, complete the following steps:
1. Locate the VRM connector on the system board, next to the heat sink for
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
5. Install the air baffle (see "Installing the air baffle" on page 213).
6. Return the power-supply cage to its closed position (see "Closing the
7. Install the hot-swap power supply or power supplies (see "Installing a hot-swap
8. Install and lock the left-side cover (see "Installing the left-side cover" on page
9. Reconnect the external cables and power cords; then, turn on the attached
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IBM System x3400 M3 Types 7378 and 7379: Problem Determination and Service Guide
Microprocessor 2
VRM
VRM connector
microprocessor 2 (see "System board internal connectors" on page 15).
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.
power-supply cage" on page 156).
power supply" on page 274).
181).
devices and turn on the server.