Dell Precision 7920 Tower Owner's Manual

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Performance

Table 1. PerformanceThe table describes the performance options.
Option	Description
Multi Core Support	This field specifies whether the processor will have one or all cores enabled. The performance of some applications will improve with the additional cores. This option is enabled by default. Allows you to enable or disable multi-core support for the processor. The options are: All (Default) 1 2 3 4 5 6 7 8 NOTE: The options displayed could be different depending on the installed processor(s). The options depend on the number of cores supported by the installed processor (All, 1, 2, N-1 for N-Core Processors)
Intel SpeedStep	Allows you to enable or disable the Intel SpeedStep feature. Default Setting: Enable Intel SpeedStep
C States	Allows you to enable or disable the additional processor sleep states. Default Setting: Enabled
Intel TurboBoost	Allows you to enable or disable the Intel TurboBoost mode of the processor. Default Setting: Enable Intel TurboBoost
Hyper-Thread Control	Allows you to enable or disable the HyperThreading in the processor. Default Setting: Enabled
Cache Prefetch	Default Setting: Enable Hardware Prefetch and Adjacent Cache Line Prefetch
Dell Reliable Memory Technology (RMT)	Allows you to identify and isolate memory errors in system RAM.. Default Setting: Enable Dell Reliable Memory Technology (RMT)
System Isochronous Mode	Allows you to enable or disable this mode to reduce latency of memory transactions at the expense of bandwidth. : Click one of the options: Disabled(Default) Enabled
RAS Support	Allows you to report or log errors caused by memory failures, the PCIe failures, CPU failures. The options are: Enable on Memory modules Enable on PCIe modules Enable on CPU modules The options are not set by default.