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Dell Precision 5820 Tower Owner's Manual

Performance

Table 1. PerformanceThe table describes the performance options.
OptionDescription
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.


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