IBM S822LC, Servicing

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18. Replace the power distribution cards. For instructions, see “Replacing a power riser in the 8335-GCA
or 8335-GTA” on page 48.
19. Using your labels, replace the USB cable and the power signal cable into that connector in the
system backplane. For instructions, see “Replacing the front USB cable and connector in the
8335-GCA or 8335-GTA system” on page 27.
20. Using your labels, replace the disk and fan signal cable into that connector in the system backplane.
For instructions, see “Replacing the disk and fan signal cable in the 8335-GCA or 8335-GTA system”
on page 14.
21. Using your labels, replace the fan power cable into that connector in the power distribution card. For
instructions, see “Replacing the 8335-GCA or 8335-GTA fan power cable” on page 22.
22. Using your labels, replace the memory cards or fillers. For instructions, see “Replacing memory
risers in the 8335-GCA or 8335-GTA” on page 38.
23. Using your labels, replace the PCIe adapter cards. For instructions, see “Replacing a PCIe adapter in
the system backplane in the 8335-GCA or 8335-GTA” on page 44.
24. Using your labels, replace the graphic processing unit (GPU) assemblies. For instructions, see
“Replacing the graphics processing unit in the 8335-GCA or 8335-GTA system” on page 30.
25. Install the power riser air baffle. See Figure 80. Ensure that the holes in the baffle align with the pins
on the system.
Results
Following a system backplane replacement, you must set the system serial number on the system
backplane. There is a tool to set the system serial number, go to Fix Central (www.ibm.com/support/
fixcentral/) to download the tool and follow the instructions for setting the serial number.
Figure 80. Installing the power riser air baffle
Removing and replacing parts
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