Table of Contents
Advertisement
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 permanent repair on a raw element. The options are Auto, Hard
PPR, Soft PPR, and PPR Disabled.
Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory modules.
The options are Auto, 1866, 2000, 2133, 2400, 2666, and 2933. (Note: 2933 MHz mem-
ory is supported by 2nd Gen Intel Xeon Scalable-SP (82xx/62xx series) processors only.)
Data Scrambling for NVMDIMM
Select Enable to enable data scrambling to enhance system performance and data in-
tegrity. The options are Auto, Disable, and Enable.
Data Scrambling for DDR4
Use this feature to enable data scrambling for DDR4. The options are Auto, Disable,
and Enable.
Enable ADR
Select Enable for ADR (Automatic Diagnostic Repository) support to enhance memory
performance. The options are Disable and Enable.
Refresh Options
Use this feature to select the self refresh mode. The options are Accelerated Self Refresh
and 2x Refresh.
Memory Topology
The following information will be displayed: P1 DIMMA1/P1 DIMMB1/P1 DIMMC1/P1
DIMMD1/P1 DIMME1/P1 DIMMF1
Memory RAS (Reliability_Availability_Serviceability) Configuration
Memory RAS Configuration Setup
Use this submenu to configure the following Memory RAS settings.
Static Virtual Lockstep Mode
Select Enable to support the static virtual lockstep mode. The options are Disable
and Enable.
85
Chapter 4: UEFI BIOS
Advertisement
Table of Contents
