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Removing a voltage regulator module
1 Microprocessor 2 VRM
2 Heat sink 2
3 VRM connector
To remove a voltage regulator module (VRM), do the following:
1. Read the safety information (see Chapter 2, “Safety information,” on page 5).
2. Turn off the server and peripheral devices, and disconnect the power cords
and all external cables.
3. Carefully turn the server on its side so that it is lying flat, with the cover facing
up.
Attention: Do not allow the server to fall over.
4. Unlock and remove the left-side cover (see “Removing the left-side cover” on
page 157).
5. Remove the hot-swap power supply or power supplies from the power-supply
cage (see “Removing a hot-swap power supply” on page 174).
6. Rotate the power-supply cage to its open position (see “Opening the
power-supply cage” on page 158).
7. Remove the air baffle (see “Removing the air baffle” on page 169).
8. Locate the voltage regulator module next to microprocessor 2.
9. Open the retaining clips on each end of the VRM connector.
10. Pull the VRM out of the connector.
11. If you are instructed to return the VRM, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
Chapter 7. Installing optional devices and replacing customer replaceable units 179