858 Upgrade and Maintenance Manual TX300 S7 / RX350 S7
System board and components
Ê Remove the AC power cords from the PSU cable brackets and disconnect
them from the system as described in section "Disconnecting the server
from the mains" on page 72.
Ê Disconnect all external cables.
Ê When working on a rack-mounted server, extend it out of the rack as
described in section "Extending the server out of the rack" on page 76.
If further required, remove the server from the rack as described in section
"Removing the server from the rack" on page 77.
Ê Bring the server to its horizontal position.
Ê Open the side / top cover as described in section "Removing the top cover"
on page 79 (rack server) or "Removing the side cover" on page 88 (tower
server).
Ê Remove the air duct as described in section "Removing the system air duct"
on page 100.
Ê Remove all fan modules and fan holders from the system as described in the
related sections:
– "Removing system fan modules" on page 383
– "Removing the system fan holder" on page 389
– "Removing rear fan modules" on page 396
– "Removing the rear fan holder" on page 403
14.5.3 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 processor heat sinks" on page 646
I Leave the processor on the defective board for now.
– Memory modules: refer to section "Removing memory modules" on
page 596
I Ensure to take note of the memory modules’ mounting positions
for reassembly.
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