TX140 S1 Upgrade and Maintenance Manual 455
System board and components
Ê Open the side / top cover as described in section "Removing the top cover"
on page 67 (rack server) or "Removing the side cover" on page 71 (tower
server).
Ê Remove the fan module as described in section "Removing the fan module"
on page 208.
14.4.3 Removing the system board
Ê Remove all cables from the system board.
Ê Remove the following components from the system board as shown in the
related sections:
– Heat sink: see section "Removing the processor heat sink" on page 310
I Leave the processor on the defective board for now.
– Memory modules: refer to section "Removing memory modules" on
page 300
I Ensure to take note of the memory modules’ mounting positions
for reassembly.
– Expansion cards: refer to the section "Removing expansion cards" on
page 233
I Ensure to take note of the controllers’ mounting positions and
cable connections for reassembly.
– UFM board: refer to section "Removing the UFM board" on page 426
I Remove the UFM spacer from the defective system board and
fasten it with the UFM screw to the UFM board.
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