Oracle X5-4 Service Manual page 220

Replace the NVMe Switch Card Cables (FRU)
Caution -
against the CPU0 heatsink radiator fins. They are sharp and can damage the cable insulation.
7. To install the replacement cables, carefully thread the NVMe Switch card end of
the cables through the narrow space between the P0 heat sink and the power
supply cage.
8. Reconnect the NVMe cables to the NVMe Switch card.
If needed, reinstall the NVMe Switch card in PCIe slot 1 if you removed it earlier.
Note -
Reroute the NVMe cables through the air divider to the disk backplane area.
9.
Refer to the figure in step 5 for cable routing.
10. Reconnect the NVMe cables to their connectors on the disk backplane.
220 Oracle Server X5-4 Service Manual • December 2015
Hardware damage. Try not to allow the SAS and NVMe (if installed) cables to rub
The NVMe Switch card only works in PCIe slot 1.