Lenovo ThinkSystem SR635 V3 User Manual page 261

4 x 2.5'' NVMe backplane
Use this section to understand the NVMe backplane cable routing for server model with four 2.5-inch front
drives.
• For the locations of connectors on the processor board, refer to
page 33.
• To connect power cables for 2.5-inch drive backplanes, refer to
244.
• To connect power and input cables for CFF RAID/HBA adapters, refer to
page 222.
• To connect power and sideband cables for the rear drive backplane, refer to
backplane" on page 232.
• To connect power and sideband cables for the 7mm drive backplane, refer to
page 235.
• To connect cables for RAID flash power modules, refer to
To connect signal cables for a backplane for standard 4 x 2.5-inch front drives, refer to the following cable
routing scenarios depending on your server configuration:
• "Cable routing for onboard configuration" on page 251
• "Cable routing with an SFF RAID/HBA adapter" on page 254
Cable routing for onboard configuration
The following figure illustrates the cable routing for the onboard configuration of 4 x 2.5-inch front NVMe
drive bays. Connections between connectors:
"System-board-assembly connectors" on
"Power/Sideband cable routing" on page
"RAID flash power modules" on page
↔ ↔ ↔
, , , ...
1 1 2 2 3 3
"CFF RAID/HBA adapter" on
"Rear NVMe/SATA drive
"7mm drive backplane" on
↔
n n
.
Chapter 6 Internal cable routing
227.
251