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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.
App Direct Mode
In this mode, PMEMs act as independent and persistent memory resources directly accessible by specific
applications, and DRAM DIMMs act as system memory.
Note: When adding one or more DIMMs during a memory upgrade, you might need to remove some DIMMs
that are already installed to new locations.
App Direct Mode with one processor
Table 28. App Direct Mode with one processor
• D1: 16 GB RDIMM
• D2: 16 GB RDIMM, 32 GB RDIMM, or 64 GB RDIMM
• P: 128 GB Persistent Memory Module (PMEM)
Configuration
1
1 PMEM and 6
D1
DIMMs*
1 PMEM and 8
D1
DIMMs*
2 PMEMs and 12
D1
DIMMs
4 PMEMs and 4
P
DIMMs
4 PMEMs and 8
D2
DIMMs
8 PMEMs and 8
D2
DIMMs
Note: * Not-interleaved mode only. Does not support 100% interleaved mode.
2
3
4
5
6
D1
D1
D1
D1
D1
D1
P
D2
P
D2
D2
P
D2
D2
P
P
P
Processor 1
7
8
9
10
11
D1
D1
D1
D1
D1
D1
D1
D1
D2
D2
D2
D2
P
P
D2
D2
P
P
Chapter 4
12
13
14
15
D1
P
D1
D1
P
D1
D1
D1
P
D2
P
D2
D2
P
D2
D2
P
P
P
.
Server hardware setup
16
D1
D1
D1
P
D2
D2
73
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