Lenovo ThinkSystem SR650 V2 - Page 269

PMEM and DRAM DIMM installation order
This section contains information of how to install PMEMs and DRAM DIMMs properly.
PMEM rules
Make sure to meet the following requirements when applying PMEMs in the system.
• All the PMEMs that are installed must be of the same part number.
• All the DRAM DIMMs that are installed must be of the same type, rank, and capacity with minimum
capacity of 16 GB. It is recommended to use Lenovo DRAM DIMMs with the same part number.
Setting up the system for PMEM for the first time
Complete the following steps when installing PMEMs to the system for the first time.
1. Determine the mode and combination (see “App Direct Mode” on page 265 or “Memory Mode” on page
268).
2. Consider “PMEM rules” on page 259 and acquire the PMEMs and DRAM DIMMs that meet the
requirements.
3. Remove all the memory modules that are presently installed (see “Remove a memory module” on page
250).
4. Follow the adopted combination to install all the PMEMs and DRAM DIMMs (see “Install a memory
module” on page 269).
5. Disable security on all the installed PMEMs (see “PMEM Management options” on page 259).
6. Make sure the PMEM firmware is the latest version. If not, update it to the latest version (see
https://
sysmgt.lenovofiles.com/help/topic/com.lenovo.lxca.doc/update_fw.html
).
7. Configure the PMEMs so that the capacity is available for use (see “PMEM Management options” on
page 259).
PMEM Management options
PMEMs can be managed with the following tools:
• Lenovo XClarity Provisioning Manager V3
To open LXPM, power on the system and press F1 as soon as the logo screen appears. If a password has
been set, enter the password to unlock LXPM.
Go to UEFI Setup ➙ System Settings ➙ Intel Optane PMEMs to configure and manage PMEMs.
For more details, see
https://sysmgt.lenovofiles.com/help/topic/LXPMv3/UEFI_setup.html.
Note: If the text-based interface of Setup Utility opens instead of LXPM V3, go to System Settings ➙
<F1> Start Control and select Tool Suite. Then, reboot the system and press F1 as soon as the logo
screen appears to open LXPM V3.
• Setup Utility
To enter Setup Utility:
1. Power on the system and press F1 to open LXPM V3.
2. Go to UEFI Settings ➙ System Settings, click on the pull-down menu on the upper right corner of
the screen, and select Text Setup.
3. Reboot the system, and press F1 as soon as the logo screen appears.
Go to System Configuration and Boot Management ➙ System Settings ➙ Intel Optane PMEMs to
configure and manage PMEMs.
• Lenovo XClarity Essentials OneCLI
Chapter 4. Hardware replacement procedures 259