Supermicro X6DVL-EG2 Datasheet download pdf (Page 17)

Chapter 1: Introduction

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Introduction

Environmental Temperature Control via Supero DoctorIII

The thermal control sensor monitors the CPU temperature in real time and

will increase the speed of the thermal control fan whenever the CPU tem-

perature exceeds a user-defined threshold. The overheat circuitry runs

independently from the CPU. It can continue to monitor for overheat condi-

tions even when the CPU is in sleep mode. Once it detects that the CPU

temperature is too high, it will automatically increase the speed of the ther-

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 the CPU temperature reaches a pre-

defined threshold, a thermal monitoring mechanism will reduce the process

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 from happening and thus,

greatly increases system stability. (*This function is available for the CPUs

that support TM2.)

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Supermicro X6DVL-EG2 Datasheet Page 17