Dell Precision 5820 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 has one or all cores enabled. The performance of some applications improves with the additional cores. Active Processor Cores Choose any number from 01–08: NOTE:To enable Trusted Execution mode, all the cores must be enabled.
Intel SpeedStep	Allows you to enable or disable the Intel SpeedStep mode of processor. Enable Intel SpeedStep This option is set by default.
C-States Control	Allows you to enable or disable the additional processor sleep states. C states This option is set by default.
Limit CPUID Value	This field limits the maximum value the processor Standard CPUID Function supports. Enable CPUID Limit This option is not set by default.
Cache Prefetch	Allows you to turn on the MLC streamer prefetcher and MLC spatial prefetcher. The options are: Hardware Prefetcher Adjacent Cache Prefetch All the options are set by default.
Intel TurboBoost	Allows you to enable or disable the Intel TurboBoost mode of the processor. Enable Intel TurboBoost This option is set by default.
Hyper-Thread Control	Allows you to enable or disable the HyperThreading in the processor. Disabled Enabled—Default
Dell Reliable Memory Technology (RMT)	Allows you to identify and isolate memory errors in system RAM. Enable Dell RMT—Default Clear Dell 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.