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SuperServer 1029UZ-TN20R25M User's Manual
to achieve higher performance. Select Auto for 1-cluster or 2-clusters depending on IMC
interleave. Select Enable for Full SNC (2-clusters and 1-way IMC interleave). The options
are Disable, Enable, and Auto.
XPT Prefetch
XPT Prefetch speculatively makes a copy to the memory controller of a read request being
sent to the LLC. If the read request maps to the local memory address and the recent
memory reads are likely to miss the LLC, a speculative read is sent to the local memory
controller. The options are Disable and Enable.
KTI Prefetch
KTI Pretech enables memory read to start early on a DDR bus, where the KTI Rx path
will directly create a Memory Speculative Read command to the memory controller. The
options are Disable and Enable.
Local/Remote Threshold
This feature allows the user to set the threshold for the Interrupt Request (IRQ) signal, which
handles hardware interruptions. The features are Disable, Enable, Auto, Low, Medium,
and High.
Stale AtoS
This feature optimizes A to S directory. When all snoop responses found in directory A
are found to be RspI, then all data is moved to directory S and is returned in S-state. The
options are Disable, Enable, and Auto.
LLC dead line alloc
Select Enable to optimally fill dead lines in LLC. Select Disable to never fill dead lines in
LLC. The options are Disable, Enable, 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 Configuration
Enforce POR
Select POR to enforce POR restrictions for DDR4 memory frequency and voltage
programming. The options are POR and Disable.
Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory modules. The
options are Auto, 1866, 2000, 2133, 2200, 2400, 2600, and 2666.
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