Supermicro SuperStorage SSG-6049SP-DE1CR60 User Manual page 82

SuperStorage Server SSG-6049SP-DE1CR60/90 User's Manual
Link L0p Enable
Select Enable for the QPI to enter the L0p state for power saving. The options are Dis-
able, Enable, and Auto.
Link L1 Enable
Select Enable for the QPI to enter the L1 state for power saving. The options are Dis-
able, Enable, and Auto.
IO Directory Cache (IODC)
Use this feature to enable the IO Directory Cache (IODC) support. The options are Dis-
able, Auto, Enable for Remote InvItoM Hybrid Push, InvItoM AllocFlow, Enable for Re-
mote InvItoM Hybrid AllocNonAlloc, and Enable for Remote InvItoM and Remote WCiLF.
SNC
Select Enable to use "Sub NUMA Clustering" (SNC), which supports full SNC (2-cluster)
interleave and 1-way IMC interleave. Select Auto for 1-cluster or 2-cluster support de-
pending on the status of IMC (Integrated Memory Controller) Interleaving. The options
are Disable, Enable, and Auto.
XPT Prefetch
Select Enable for XPT (Extended Prediction Table) Prefetch support which will allow an
LLC request to be duplicated and sent to an appropriate memory controller based on the
recent LLC history to reduce latency. The options are Enable, and Disable.
KTI Prefetch
If this feature is set to Enable, the KTI prefetcher will preload the L1 cache with data
deemed relevant to allow the memory read to start earlier on a DDR bus in an effort to
reduce latency. The options are Enable and Disable.
Local/Remote Threshold
This feature allows the user to set the threshold for the Interrupt Request (IRQ) signals,
which handle hardware interruptions. The options are Disable, Auto, Low, Medium, and
High.
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