Supermicro X12DAi-N6, Руководство пользователя

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Super X12DAi-N6 User's Manual
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STEP(Samsung TestBIOS & Enchanced PPR) DRAM Test
Select Enable to enable Samsung TestBIOS & Enchanced PPR funtion. The options are
Enable and Disable .
Operation Mode(Available when "STEP DRAM Test" is set to Enable)
Use this feature to set the operation mode for STEP DRAM Test. The options are Test Only
and
Test and Repair .
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 fix 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. Select Auto to use the Memory Reference Code (MRC) defaulting setting for DDR4
data scrambling. The options are
Enable and Disable.
eADR Support
Select Enable to enable eADR capability in the platform. The options are Auto, Disable
and Enable.
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 DIMM modules to enhance memory data
security. Select Auto to use the Memory Reference Code (MRC) defaulting setting for DIMM
memory data scrambling. The options are
Enable
and Disable.