Dell Precision R5500 (Early 2011) - Manual (Page 70)

System Configuration
• Disable
• Enable (Default)
• No Boot
Serial Port #1 Determines how the built-in serial port operates.
• Disable
• Auto (default)
• COM1
• COM3
Spread Spectrum Clocking Enables or disables spread spectrum clocking.
• Disable
• Enable (default)
Miscellaneous Devices Enables or disables various system devices.
• Front USB
• Rear USB
• Audio
Video
Primary Video Allows the user to specify the order in which the system assigns primary video controller
when two or more controllers are available.
• Option 1
• Option 2
Performance
Multi Core Support Specifies whether the computer will have one or all cores enabled.
Enable Multi Core Support — Enabled by default.
Hyper-Threading
Technology Enables or disables the Hyper-Threading Technology.
Enable Hyper-Threading Technology — Disabled by default.
Intel TurboBoost Enables or disables the Intel TurboBoost mode of the processor.
Enable Intel Turbo Boost Technology — Enabled by default
Intel SpeedStep Enables or disables the Intel SpeedStep mode of the processor.
Enable Intel SpeedStep — Enabled by default
C States Control Enables or disables additional processor sleep states.
C States Control — Enabled by default
Hardware Prefetcher When enabled, it will automatically prefetch data and code for the processor.
Enable Hardware Prefetcher — Enabled by default
Adjacent Cache Line
Prefetch When enabled, the processor will retrieve the current and subsequent cache line.
Enable Adjacent Cache Line Prefetch — Enabled by default
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