Liquid assisted cooling module

Use this section to understand the cable routing of the liquid assisted cooling module (LACM).

Liquid assisted cooling module cable routing

• For the locations of the LACM connectors on the processor board, see System-board-assembly connectors for details.

• The two pump cables and one cable for the leakage detection sensor module are integrated to the LACM, make sure that all three cables are connected.

Note

• Before you start cable routing for the LACM, make sure that you have put on gloves.

• For better cable arrangement, it is required to install the liquid detection sensor module to a designated holder, and make sure that the module is secured in holder clips. Use the illustration below or Install the Lenovo Neptune(TM) liquid assisted cooling module for details.

Cable	From	To
1 Pump 1	Pump 1 cable of the LACM	Pump 1 connector on the processor board
2 Pump 2	Pump 2 cable of the LACM	Pump 2 connector on the processor board
3 Leak detection	Leak detection cable of the LACM	Leak detection connector on the processor board

With the LACM installed, your server supports below drive combinations:

• 4 x 2.5'' SAS/SATA backplane (liquid cooling)
  Use this section to understand the SAS/SATA backplane cable routing for server model with four 2.5'' front drives.
• 4 x 2.5'' NVMe backplane (liquid cooling)
  Use this section to understand the NVMe backplane cable routing for server model with four 2.5'' front drives.
• 6 x 2.5'' SAS/SATA + 4 x 2.5'' NVMe (liquid cooling)
  Use this section to understand the cable routing of six SAS/SATA front drives and four NVMe front drives for liquid cooling configuration with 10 x 2.5'' AnyBay front backplane installed.
• 6 x 2.5'' SAS/SATA + 2 x 2.5'' AnyBay + 2 x 2.5'' NVMe (liquid cooling)
  See this section to understand the cable routing of 8 front 2.5'' SAS/SATA drives and 2 front 2.5'' NVMe drives.
• 8 x 2.5'' SAS/SATA (liquid cooling)
  Use this section to understand the cable routing of 8 SAS/SATA front drives for liquid cooling configuration with 10 x 2.5'' AnyBay front backplane installed.
• 8 x 2.5'' U.3 drives with 10 x 2.5 AnyBay backplane (liquid cooling)
  Use this section to understand the cable routing for eight U.3 drives with 10 x 2.5 AnyBay backplane.
• 10 x 2.5'' NVMe (liquid cooling)
  Use this section to understand the cable routing of 10 NVMe front drives for liquid cooling configuration with 10 x 2.5 AnyBay front backplane installed.
• 10 x 2.5'' SAS/SATA (liquid cooling)
  Use this section to understand the cable routing of 10 SAS/SATA front drives for liquid cooling configuration with 10 x 2.5 AnyBay front backplane installed.
• 4 x 3.5'' U.3 drives with 4 x 3.5'' AnyBay backplane (liquid cooling)
  Use this section to understand the cable routing for eight U.3 drives with 4 x 3.5'' AnyBay backplane.