Installing the power-supply backplane
To install the power-supply backplane, complete the following steps.
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 95
2. Align the keyhole slots in the power-supply backplane with the mounting pins in
the server.
3. Slide the power-supply backplane toward the right side of the server until the
edge-connectors are fully connected.
4. Reconnect the cables to the power supply backplane.
5. Install the power supplies into the power-supply bays (see “Installing a power
supply” on page 121).
6. Install the cover (see “Installing the cover” on page 98).
7. Slide the server into the rack.
8. Reconnect the power cords and any cables that were removed.
9. Turn on the peripheral devices and the server.
136 IBM System x3550 Type 7978 and 1913: Problem Determination and Service Guide
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