8X 2.5'' Front Drives (Two Processors) - Lenovo ThinkSystem SR645 V3 User Manual

• Each backplane your server supports offers multiple signal connections. This section singles out the
signal connection from power connection for better understanding. For backplane power connection, see
"Cable routing for backplane power" on page
• For the locations of backplane signal connectors on the processor board and adapters, see
board-assembly connectors" on page 21
• For more information about backplanes supported and their connectors, see
connectors" on page

8x 2.5'' front drives (two processors)

Use the section to understand the cable routing for signal cable connections for 8 x 2.5–inch drive
backplanes.
Under the configuration of 8 x 2.5–inch front drives, your server supports the following front backplane:
• "8 x 2.5'' SAS/SATA backplane (two processors)" on page 172
8 x 2.5'' SAS/SATA backplane (two processors)
Use this section to understand the SAS/SATA backplane cable routing for server model with eight 2.5-inch
front drives.
To connect power cables for a backplane for standard 2.5-inch or 3.5-inch drives, refer to
backplane power" on page
To connect cables for M.2 drives, refer to
To connect intrusion switch cable, refer to
To connect power cable for CFF RAID adapter, refer to
To connect signal cables for a backplane for standard 4 x 3.5-inch front drives, refer to the following cable
routing scenarios depending on your server configuration:
• "Cable routing with an SFF HBA/RAID adapter" on page 172
• "Cable routing with a CFF RAID adapter" on page 173
Cable routing with an SFF HBA/RAID adapter
The following illustrations and tables show the mapping relationship between backplane connectors and an
8i or 16i SFF HBA/RAID adapter (Gen 3 or Gen 4).
ThinkSystem SR645 V3 User Guide
172
for details.
157.
165.
"M.2 drive backplane" on page
"Intrusion switch" on page
165.
161.
"CFF RAID adapter" on page
"System-
"Drive backplane
"Cable routing for
164.
159.