Ê Remove all rear expansion cards from the system board as described in
section "Removing expansion cards" on page 357.
I Ensure to take note of the expansion cards’ mounting positions and
cable connections for reassembly.
The following components may remain on the system board:
– Heat sink and processors
– Memory modules
– UFM board
– TPM boards
Ê "Removing the system board" on page 687
Ê "Removing the system board carrier" on page 85
6.5.2 Removing the power backplane
Figure 84: Disconnecting cables from the power backplane
Ê Disconnect all cables from the power backplane.