Lenovo ThinkSystem SR645 V3 - X 2.5 Front Drives (One Processor)

• 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 165.
• For the locations of backplane signal connectors on the processor board and adapters, see
“System-
board-assembly connectors” on page 21
for details.
• For more information about backplanes supported and their connectors, see
“Drive backplane
connectors” on page 157
.
4 x 2.5'' front drives (one processor)
Use the section to understand the cable routing for signal cable connections for 4 x 2.5'' front drive
backplanes when one processor installed.
4 x 2.5'' NVMe backplane (one processor)
Use this section to understand the NVMe backplane cable routing for server model with four 2.5-inch front
drives.
To connect power cables for a backplane for standard 2.5-inch or 3.5-inch drives, refer to
“Cable routing for
backplane power” on page 165
.
To connect cables for intrusion switch, refer to
“Intrusion switch” on page 161.
Chapter 6. Internal cable routing 167