DC Persistent Memory Module (DCPMM) installation order

For more information about the processors compatibility, see Lenovo ServerProven website.

• Before installing DCPMMs and DRAM DIMMs, refer to DC Persistent Memory Module (DCPMM) setup and make sure to meet all the requirements.

• To verify if the presently installed processors support DCPMMs, examine the four digits in the processor description. Only the processors with description meeting both of the following requirements support DCPMMs.

  • The first digit is 6 or a larger number.

  • The second digit is 2.

  Example: Intel Xeon 6262V and Intel Xeon Platinum 8260M

  If the presently installed processors do not support DCPMMs, replace them with the processors that support DCPMMs.

• Supported memory capacity range varies with the following types of DCPMMs.

  • Medium memory tier (M): The processors with M after the four digits (for example: Intel Xeon Platinum 8260M)

    support up to 2 TB of memory capacity per processor

  • No suffix: Other processors that support DCPMMs (for example: Intel Xeon Gold 6230)

    support up to 1 TB of memory capacity per processor

  Table 1. Supported DCPMM capacity in DCPMM population configuration

  App direct mode
  Total DCPMMs	Total DIMMs	Processor Family	128 GB DCPMM	256 GB DCPMM	512 GB DCPMM
  1	12	M	√	√	√
  		No suffix	√	√	√
  2	12	M	√	√	√
  		No suffix	√	√	√ Note 1
  4	12	M	√	√	√
  		No suffix	√	√ Note 2
  Note 12x128 GB 3DS RDIMM + 2x512 GB DCPMM is not supported. 12x128 GB 3DS RDIMM + 4x256 GB DCPMM is not supported.
  Memory mode
  Total DCPMMs	Total DIMMs	Processor Family	128 GB DCPMM	256 GB DCPMM	512 GB DCPMM
  4	12	M	√	√	√
  		No suffix	√	√
  Mixed memory mode
  Total DCPMMs	Total DIMMs	Processor Family	128 GB DCPMM	256 GB DCPMM	512 GB DCPMM
  4	12	M	√	√	√
  		No suffix	√	√

DCPMM installation order​

DCPMMs shall only be installed on DIMM3, DIMM6, DIMM11 and DIMM14.