Supermicro X11DGO-T, Руководство пользователя

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Super X11DGO-T User's Manual
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and will not have to snoop, saving the latency and snoop bandwidth. Stale "AtoS" may be
bene
fi cial in a workload where there are many cross-socket reads. The options are Disable,
Enable, and Auto .
LLC Dead Line Alloc
Select Enable to opportunistically fi ll the deadlines in the LLC. The options are Enable ,
Disable, and Auto.
Isoc Mode
Select Enable to enable Isochronous support to meet QoS (Quality of Service) requirements.
This feature is especially important for Virtualization Technology. The options are Disable,
Enable, and
Auto .

Memory Con fi guration
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
fi 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
Auto , Enable,
Soft PPR, and 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 : Support for 2933 MHz
memory is dependent on the CPU SKU.)
Data Scrambling for DDR4
Select Enable to enable data scrambling for DDR4 memory to enhance system performance
and security. Select Auto for the default setting of the Memory Reference Code (MRC) to
set con
fi gure data scrambling for DDR4 setting. The options are Auto , Disable, and Enable.
tCCD_L Relaxation
If this feature is set to Enable, SPD (Serial Presence Detect) will override tCCD_L ("Column
to Column Delay-Long", or “Command to Command Delay-Long” on the column side.) If
this feature is set to Disable, tCCD_L will be enforced based on the memory frequency.
The options are
Auto , Enable and Disable.