Lenovo ThinkSystem SR645 - Drive Backplane Cable Routing; Signal); Drive Backplane Cable Routing (Power & Signal)

M.2 drive backplane cable routing (power & signal)
This section provides cable routing information for the M.2 drives.
Notes:
• M.2 drives can be installed on the chassis (scenario 1) or 3.5-inch front drive cage (scenario 2). The
following illustration shows the cable connection for scenario 1. The cable connections for the other
scenario is the same.
• M.2 signal cable can be connected to both PCIe connector 1 or PCIe connector 4 on the system board.
The illustration shows the general scenario, the signal cable needs to be connected to PCIe connector 4
only when the server model is one of the following:
– Server models with 10 x 2.5-inch front drive bays (AnyBay)
– Server models with 10 x 2.5-inch front drive bays (NVMe)
– Server models with 10 x 2.5-inch front drive bays (8AnyBay+2NVMe)
Figure 14. Cable routing for M.2 drives
From To
1 Power cable M.2 power connector on the system board
2 M.2 signal cable
PCIe connector 1 on the system board
60 ThinkSystem SR645 Setup Guide