SUPER MICRO Computer X7DGU, X7DBU Route Port 80h Cycles to, Clock Spectrum Feature, USB Function

X7DBU/X7DGU User's Manual

Route Port 80h Cycles to

This feature allows the user to decide which bus to send debug information to. The options are PCI and LPC.

Clock Spectrum Feature

If Enabled, the BIOS will monitor the level of Electromagnetic Interference caused by the components and will attempt to decrease the interference whenever needed. The options are Enabled and Disabled.

High Precision Event Time

Select Yes to activate the High Precision Event Timer (HPET), which is capable of producing periodic interrupts at a much higher frequency than a Real-time Clock (RTC) can in synchronizing multimedia streams, providing smooth playback and reducing the dependency on other timestamp calculation devices, such as an x86 RDTSC Instruction embedded in a CPU. The High Precision Event Timer is used to replace the 8254 Programmable Interval Timer. The options are Yes and No.

USB Function

Select Enabled to enable the function of USB devices specified. The settings are Enabled and Disabled.

Legacy USB Support

This setting allows you to enable support for Legacy USB devices. The settings are Enabled and Disabled.

Advanced Processor Options

Access the submenu to make changes to the following settings.

CPU Speed

This is a display that indicates the speed of the installed processor.

Frequency Ratio (Available when supported by the CPU.)

The feature allows the user to set the internal frequency multiplier for the CPU. The options are: Default and x12.

Core-Multi-Processing (Available when supported by the CPU.)

Set to Enabled to use a processor's Second Core and beyond. (Please refer to Intel's website for more information.) The options are Disabled and Enabled.

Machine Checking (Available when supported by the CPU.)

Set to Enabled to use this function which will allow the CPU to detect and report hardware (machine) errors via a set of model-specific registers (MSRs). The options are Disabled and Enabled.

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