IBM xSeries 235, Maintenance & Troubleshooting

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g. If your server has the 3-Pack Ultra320 Hot-Swap Expansion option
installed, disconnect the power connector (P8) from the power connector
on the 3-Pack backplane.
5. Remove the fixed power supply (see the following illustration).
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a. From the rear of the server, remove the two screws at each side of the
fixed power supply.
b. Gently pull the power supply from the server, making sure the cables do
not snag on the chassis or system board.
Note: You might need to insert a fingernail or screwdriver blade behind
one corner of the power supply to begin moving it.
CAUTION:
When installing the power supply, do not pull it into position by its
cables.
6. Install the hot-swap power-supply option.
Note: The option consists of a hot-swap power-supply cage containing two
hot-swap power supplies, with all necessary cables attached to the back
Chapter 4. Customer replaceable units
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