8 x 2.5'' SAS/SATA backplane
Use this section to understand the SAS/SATA backplane cable routing for server model with eight 2.5-inch
front drives.
• For the locations of connectors on the processor board, refer to
“System-board-assembly connectors” on
page 33
.
• 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 8 x 2.5-inch SAS/SATA configuration, refer to the following cable routing
scenarios depending on your server configuration:
•
“Cable routing for onboard configuration” on page 257
• “Cable routing with an SFF HBA/RAID adapter” on page 258
• “Cable routing with a CFF HBA/RAID adapter” on page 260
Cable routing for onboard configuration
The following illustrations and 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 257
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