Lenovo System x3750 M4 Installation And Service Manual page 290

Guide
Step 6. If you are instructed to return the power interposer card assembly, follow all of the packaging
instructions, and use any packaging materials for shipping that are supplied to you.
Replacing a power interposer redundant power supply card assembly
Use this information to replace a power interposer redundant power supply card assembly.
To install the power interposer for redundant power supply card assembly, complete the following steps:
Step 1. Read the safety information and installation guidelines, see "Safety" on page v and "Installation
guidelines" on page 38.
Step 2. Align the connectors on the power interposer card assembly with the power interposer card
connectors on the system board; then, press down on the assembly until it is firmly seated in
the connectors on the system board.
Guide
Step 3. Reinstall the power supply that you removed earlier.
Step 4. Reinstall the cover (see "Replacing the server top cover" on page 216).
Step 5. Slide the server into the rack.
Step 6. Reconnect the power cords and any cables that you removed.
Step 7. Turn on the peripheral devices and the server.
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Lenovo System x3750 M4 Installation and Service Guide
Power
interposer
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Power
interposer
card