Supermicro X6DVL-EG2 User Manual download pdf (Page 17)

Chapter 1: Introduction

1-11

Introduction

mal control fan to prevent any damage to the CPU. The onboard chassis

thermal circuitry can monitor the overall system temperature and alert users

when the chassis temperature is too high.

CPU VRM Overheat

When the CPU reaches 78

C and above (Overheat), the CPU will slow down

and CPU Voltage will decrease to reduce CPU power consumption and

VRM heat dissipation.

CPU Overheat/Fan Fail LED and Control

This feature is available when the user enables the CPU overheat/Fan Fail

warning function in the BIOS. This allows the user to define an overheat

temperature. When this temperature is exceeded, the warning LED is trig-

gered and the fans will speed up.

Thermal Management 2 (TM2)

When TM2 is enabled in the BIOS and when the CPU temperature reaches a

pre-defined threshold, a thermal monitoring mechanism will reduce the pro-

cess speed by lowering the bus-to-core ratio of the processor core clock

and decrease the voltage input by changing the CPU VID. This combination

of reduced CPU bus frequency and CPU VID effectively decreases CPU

power consumption to prevent processor overheat and greatly increases

system stability. (*This function is available for the CPUs that support TM2.)

1-5 ACPI Features

ACPI stands for Advanced Configuration and Power Interface. The ACPI

specification defines a flexible and abstract hardware interface that pro-

vides a standard way to integrate power management features throughout

a PC system, including its hardware, operating system and application soft-

ware. This enables the system to automatically turn on and off peripherals

such as CD-ROMs, network cards, hard disk drives and printers. This also

includes consumer devices connected to the PC such as VCRs, TVs, tele-

phones and stereos.

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Supermicro X6DVL-EG2 User Manual Page 17