Lenovo ThinkSystem SR650 V2 Maintenance Manual page 261

Go to UEFI Setup ➙ System Settings ➙ Intel Optane PMEMs ➙ Security ➙ Press to
Disable Security, and input passphrase to disable security.
– Setup Utility
Go to System Configuration and Boot Management ➙ System Settings ➙ Intel
Optane PMEMs ➙ Security ➙ Press to Disable Security, and input passphrase to
disable security.
3. Delete namespaces with command corresponding to the operating system that is installed:
– Linux command:
ndctl destroy-namespace all -f
– Windows Powershell command
Get-PmemDisk | Remove-PmemDisk
4. Clear Platform Configuration Data (PCD) and Namespace Label Storage Area (LSA) with the
following ipmctl command (for both Linux and Windows).
ipmctl delete -pcd
Notes: See the following links to learn how to download and use impctl in different
operating systems:
– Windows: https://datacentersupport.lenovo.com/us/en/videos/YTV101407
– Linux: https://datacentersupport.lenovo.com/us/en/solutions/HT508642
5. Reboot the system.
Step 2. Power off the server and disconnect all power cords.
Step 3. Remove the top cover. See "Remove the top cover" on page 376.
Step 4. If your server comes with an air baffle or a middle cage, remove it. See "Remove the air baffle" on
page 196 or "Remove the middle drive cage" on page 271.
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Chapter 4 Hardware replacement procedures
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