Intel S2600IP Service Guide - Page 126

BIOS Setup Utilities Option Values: Enabled Disabled Help Text: Enable Enhanced Error Containment Mode (Data Poisoning) - Erroneous data coming from memory will be poisoned. If disabled (default), will be in Legacy Mode - No data poisoning support available. Comments: Enhanced Error Containment (Data Poisoning) is not supported by all models of processors, and this option will not appear unless all installed processors support Enhanced Error Containment. This option globally enables or disables both Core and Uncore Data Poisoning, for processors which support them. 27. MLC Streamer Option Values: Enabled Disabled Help Text: MLC Streamer is a speculative prefetch unit within the processor(s). Note: Modifying this setting may affect performance. Comments: MLC Streamer is normally Enabled, for best efficiency in L2 Cache and Memory Channel use, but disabling it may improve performance for some processing loads and on certain benchmarks. 28. MLC Spatial Prefetcher Option Values: Enabled Disabled Help Text: [Enabled] - Fetches adjacent cache line (128 bytes) when required data is not currently in cache. [Disabled] - Only fetches cache line with data required by the processor (64 bytes). Comments: MLC Spatial Prefetcher is normally Enabled, for best efficiency in L2 Cache and Memory Channel use, but disabling it may improve performance for some processing loads and on certain benchmarks. 29. DCU Data Prefetcher 108 Intel® Server System P4000IP and Intel® Workstation System P4000CR Service Guide