Removing the power interposer for redundant power supply cardassemblyThis information provides instructions on how to remove the power interposer forredundant power supply card assembly.About this taskTo remove the power interposer for redundant power supply card assembly,complete the following steps:Procedure1. Read the safety information and installation guidelines, see “Safety” on page viiand “Installation guidelines” on page 35.2. Turn off the server (see “Turning off the server” on page 22) and all attachedperipheral devices. Disconnect all power cords; then, disconnect all externalcables as necessary to replace the device.3. Remove the server cover (see “Removing the server top cover” on page 226).4. Disconnect the power supply that is connected to the power interposer cardassembly.5. Grasp the power interposer card assembly and lift it out of the connectors onthe system board.6. If you are instructed to return the power interposer card assembly, follow all ofthe packaging instructions, and use any packaging materials for shipping thatare supplied to you.Replacing a power interposer redundant power supply cardassemblyThis information provides instructions on how to replace a power interposerredundant power supply card assembly.About this taskTo install the power interposer for redundant power supply card assembly,complete the following steps:Procedure1. Read the safety information that begins on page “Safety” on page vii and“Installation guidelines” on page 35.2. Align the connectors on the power interposer card assembly are aligned withthe power interposer card connectors on the system board; then, press down onthe assembly until it is firmly seated in the connectors on the system board.290 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
