Deployment Guide

System BIOS
14 Setting up BIOS on 15th Generation (15G) Dell EMC PowerEdge Servers | 508
1.3 System BIOS—Persistent Memory
The Persistent Memory page is the main page for saving the Persistent Memory settings. When Intel Optane
Persistent Memory is populated, the Intel Persistent Memory page is displayed. If an NVDIMM-N is detected
in the system, the NVDIMM-N Persistent Memory page is displayed.
Menu Item
Options
Description
Persistent Memory
Scrubbing
• Auto
• One Shot
• Enable
• Disable
Set the Persistent Memory Scrubbing mode to any
one of the following:
• Auto: System automatically scrubs persistent
memory during BIOS POST when a multi-bit
error is detected.
• One Shot: System scrubs the persistent
memory during BIOS POST on the entire
persistent memory range. During the next
boot operation, system reverts to the Auto-
persistent memory mode.
• Enable: System scrubs the entire persistent
memory range during BIOS POST after every
boot operation.
• Disable: System never scrubs the persistent
memory range.
Note: Based on the system memory population,
scrubbing a persistent memory on the entire
persistent memory range can take more than 60
minutes during BIOS POST.