•  To connect power cables for 2.5-inch drive backplanes, refer to “Power/Sideband cable routing” on page 
244
. 
•  To connect power and input cables for CFF RAID/HBA adapters, refer to 
“CFF RAID/HBA adapter” on 
page 222
.
•  To connect power and sideband cables for the rear drive backplane, refer to 
“Rear NVMe/SATA drive 
backplane” on page 232
.
•  To connect power and sideband cables for the 7mm drive backplane, refer to 
“7mm drive backplane” on 
page 235
.
•  To connect cables for RAID flash power modules, refer to 
“RAID flash power modules” on page 227.
To connect signal cables for a backplane for standard 6 front SAS/SATA drives and 4 front AnyBay drives, 
refer to the following cable routing scenarios depending on your server configuration:
• 
“Cable routing for onboard configuration” on page 267
•  “Cable routing with an SFF HBA/RAID adapter” on page 269
•  “Cable routing with a CFF HBA/RAID adapter” on page 272
•  “Cable routing with a CFF RAID/HBA adapter and 2x 2.5 rear SAS/SATA drives” on page 275
Cable routing for onboard configuration
The following tables show the mapping relationship between backplane connectors and system board 
assembly connectors for onboard configuration.
Connections between connectors: 
1  ↔  1 ,  2  ↔  2 ,  3  ↔  3 , ...  n  ↔  n . 
Chapter 6. Internal cable routing 267