Supermicro X12DPi-N6 - Page 95

Chapter 4: UEFI BIOS
95
Enforce POR (Plan of Record)
Select POR to enforce POR restrictions for DDR4 memory frequency and voltage
programming. The options are POR and Disable.
PPR Type
Post Package Repair (PPR) is a new feature available for the DDR4 Technology. PPR
provides additional spare capacity within a DDR4 DRAM module that is used to replace
faulty cell areas detected during system boot. PPR offers two types of memory repairs.
Soft Post Package Repair (sPPR) provides a quick, temporary x on a raw element in a
bank group of a DDR4 DRAM device, while hard Post Package Repair (hPPR) will take
a longer time to provide a permanent repair on a raw element. The options are Soft PPR,
Hard PPR, and PPR Disabled.
Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory modules.
The options are Auto, 2133, 2200, 2400, 2600, 2666, 2800, 2933, 3000, and 3200. (Note:
Maximum memory frequency is dependent on the CPU SKU.)
Data Scrambling for DDR4
Select Enable to enable data scrambling for DDR4 modules to enhance memory data
security. The options are Enable and Disable.
eADR Suppoort (Available when a BPS device is detected & is supported by the
hardware design of the motherbaord)
Select Enable for Extended ADR (Async DIMM Module Self-Refresh) support to enhance
memory performance. The options are Disable, Enable, and Auto.
Enable ADR
Select Enable for ADR (Async DIMM Module Self-Refresh) support to enhance memory
performance. The options are Disable and Enable.
Data Scrambling for PMem (Available when "Enabled ADR" is set to Enable)
Select Enable to enable data scrambling for Intel Persistent Optane DIMM modules to
enhance memory data security. The options are Enable and Disable.
Legacy ADR Mode (Available when "Enabled ADR" is set to Enable)
Select Enable to support Legacy ADR (Async DIMM Module Self-Refresh) mode to enhance
memory performance. The options are Enable and Disable.
Erase-Arm NVDIMM modules (Available when "Enabled ADR" is set to Enable, and
when NVDIMMs are detected/installed in the system)
If this feature is set to Enable, the function that "arms" the NVM for safe operations in the
event of a power loss will be removed. The options are Enable and Disable.