Oracle X5-4 Service Manual page 206

Replace the SAS 12 Gb/s Internal HBA SAS Cables (FRU)
The white labeled cable is 0, and the yellow labeled cable is 1.
5. Remove the SAS HBA cables from the air divider, as follows.
a. Detach the NVMe (if installed), HBA, and ESM cables from the three cable
clips on the memory riser side of the air divider. Then, carefully lift the
cables up and out of the cable slot [B] in the air divider that provides access
to the disk backplane area.
206 Oracle Server X5-4 Service Manual • December 2015