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M.2 backplane cable routing

Follow the instructions in this section to learn how to do cable routing for the M.2 backplane.

Proceed to the section corresponding to the selected configuration.

ConfigurationCable
M.2 backplane to system board

For SATA/x4 NVMe M.2 backplane:

  • One M.2 power cable, 350mm
  • One M.2 signal cable, Slimline-LP x4 to Slimline x8, 400mm

For SATA/NVMe M.2 backplane:

  • One M.2 signal and power cable, 400mm
M.2 backplane to RAID adapter

For SATA/x4 NVMe M.2 backplane:

  • One M.2 power cable, 350mm
  • One of the following M.2 signal cable:

    • To x350 RAID adapter: One M.2 signal cable, MiniSAS-HD x4 to Slimline x8, 500mm

    • To x40 RAID adapter: One M.2 signal cable, Slimline x8 to Slimline x8, 500mm

To system board​

Complete the following procedure to route the cables properly.

Procedure

  1. Connect the cables to the connectors on the system board.
    • M.2 signal cable / signal branch of M.2 signal and power cable to 1 M.2 signal connector (PCIe 1)
    • M.2 power cable / power branch of M.2 signal and power cable to 2 M.2 power connector (M.2 Sideband)
  2. Route the M.2 signal cable / signal branch of M.2 signal and power cable through the retainers in the following order.
    1. Cable clip A
    2. Cable clip D
    3. Corner of the RAID flash power module holder (as shown in the top callout in the above illustration)
    4. Under the M.2 air baffle (as shown in the right callout in the above illustration)
  3. Route the M.2 power cable / power branch of M.2 signal and power cable through the retainers in the following order.
    1. Cable clip B
    2. Cable clip D
    3. Corner of the RAID flash power module holder (as shown in the top callout in the above illustration)
    4. Under the M.2 air baffle (as shown in the right callout in the above illustration)
  4. Proceed to connect the cables to the M.2 backplane assembly and install the assembly. See Install the M.2 backplane assembly.

To RAID adapter​

Figure 1. RAID adapter on PCIe riser 1

Figure 2. RAID adapter on PCIe riser 2

Complete the following procedure to route the cables properly.

Procedure

  1. Connect M.2 power cable to 1 M.2 power connector (M.2 Sideband) on the system board.
  2. Route the M.2 power cable through the retainers in the following order.
    1. Cable clip B
    2. Cable clip D
    3. Corner of the RAID flash power module holder (as shown in the top callout in the above illustration)
    4. Under the M.2 air baffle (as shown in the right callout in the above illustration)
  3. Route M.2 signal cable through cable clip C.
  4. Proceed to connect M.2 signal cable to C0 connector of the RAID adapter on PCIe riser assembly, and install the assembly. See Install the PCIe riser assembly.
    • 2a C0 connector of RAID adapter on PCIe riser 1
    • 2b C0 connector of RAID adapter on PCIe riser 2
  5. Proceed to connect the cables to the M.2 backplane assembly and install the assembly. See Install the M.2 backplane assembly.