Removing the power interposer for redundant power supply card
assembly
To remove the power interposer for redundant power supply card assembly,
complete the following steps:
1. Read the safety information that begins on page “Safety” on page vii and
“Installation guidelines” on page 33.
2. Turn off the server (see “Turning off the server” on page 21) and all attached
peripheral devices. Disconnect all power cords; then, disconnect all external
cables as necessary to replace the device.
3. Remove the server cover (see “Removing the server top cover” on page 206).
4. Disconnect the power supply that is connected to the power interposer card
assembly.
5. Grasp the power interposer card assembly and lift it out of the connectors on
the system board.
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
To install the power interposer for redundant power supply card assembly,
complete the following steps:
1. Read the safety information that begins on page “Safety” on page vii and
“Installation guidelines” on page 33.
2. Align the connectors on the power interposer card assembly are aligned 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.
Power
interposer
card
3. Reinstall the power supply that you removed earlier.
4. Reinstall the cover (see “Replacing the server top cover” on page 207).
5. Slide the server into the rack.
264 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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