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5. Install the new power supply and insert the four screws that hold the power
supply in place.
6. Reconnect all power supply cables to the system board and the drives. See
“Identifying parts on the system board” on page 108.
7. Go to “Installing the cover and connecting cables” on page 116.
Removing and replacing the system board
1. Remove the cover. See “Removing the cover” on page 106.
2. Remove any PCI adapters installed. See “Removing and replacing a PCI
adapter” on page 110.
3. Carefully take note of the location of all cable connections on the system
board. It will be necessary to reconnect them properly when installing a new
system board. See “Identifying parts on the system board” on page 108.
4. Disconnect all cables connected to the system board.
5. Remove the screws that secure the system board in place and remove the
system board.
6. Take note of the location of the DIMMs and remove them from the failing
system board and install them on the new system board in the same location
as they were on the failing system board. See “Removing and replacing
memory” on page 109.
7. Remove the heat sink and microprocessor from the failing system board and
install them on the new system board. See “Removing and replacing the
112 Hardware Maintenance Manual