Supermicro X11DDW-L User Manual page 83

Chapter 4: BIOS
generate snoops (instead of memory lockups) for WCiLF (Cores). The options are Disable,
Auto, Enable for Remote InvItoM Hybrid Push, InvItoM AllocFlow, Enable for Remote
InvItoM Hybrid AllocNonAlloc, and Enable for Remote InvItoM and Remote WViLF.
SNC
Select Enable to use the "Sub NUMA (Non-Uniform Memory Access) Cluster" (SNC)
memory scheme, which supports full SNC (2-cluster) interleave and 1-way IMC interleave.
Select Auto for 1-cluster or 2-cluster support depending on the status of IMC (Integrated
Memory Controller) Interleaving. The options are Disable, Enable, and Auto.
XPT Prefetch
Select Enable for Extended (Xtended) Prediction Table (XPT) Prefetch support which will
allow a read request to be sent to the memory controller requesting the prefetch in parallel
to an LLC (Last Level Cache) look-up. The options are Disable and Enable.
KTI Prefetch
Select Enable to allow the memory read to start early on a DDR bus. The options are
Enable and Disable.
Local/Remote Threshold
Use this feature to confi gure the threshold settings for local and remote systems that are
connected in the network. The options are Disable, Auto, Low, Medium, and High.
Stale AtoS (A to S)
Select Enable to remove the contents and the structures of the fi les that are no longer
needed in the remote host server but are still in use by the local client machine from
Directory A to Directory S in the NFS (Network File System) to optimize system performance.
The options are Disable, Enable, and Auto.
LLC Dead Line Alloc
Select Enable to opportunistically fi ll the deadlines in LLC (Last Level Cache). 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 Confi guration
Enforce POR
Select Enable to enforce POR restrictions on DDR4 frequency and voltage programming.
The options are POR and Disable.
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