Supermicro C2SBM-Q User Manual download pdf (Page 71)

Chapter 4: BIOS

4-19

Note: In both the alarms above, please take immediate action as shown below.

See CPU Overheat Alarm to modify the above alarm settings.

User intervention: If the system buzzer and Overheat LED has activated, take

action immediately by checking the system fans, chassis ventilation and room

temperature to correct any problems. Note: the system may shut down if it con-

tinues for a long period to prevent damage to the CPU.

Notes: The CPU thermal technology that reports absolute temperatures

(Celsius/Fahrenheit) has been upgraded to a more advanced feature by Intel

in its newer processors. The basic concept is that each CPU is embedded

by a unique temperature information that the motherboard can read. This

‘Temperature Threshold’ or ‘Temperature Tolerance’ has been assigned at

the factory and is the baseline by which the motherboard takes action during

different CPU temperature conditions (i.e., by increasing CPU Fan speed,

triggering the Overheat Alarm, etc). Since CPUs can have different ‘Tem-

perature Tolerances’, the installed CPU can now send its ‘Temperature Toler-

ance’ to the motherboard resulting in better CPU thermal management.

Supermicro has leveraged this feature by assigning a temperature status to certain

thermal conditions in the processor (Low, Medium and High). This makes it easier

for the user to understand the CPU’s temperature status, rather than by just simply

seeing a temperature reading (i.e., 25

C).

The information provided above is for your reference only. For more information on

thermal management, please refer to Intel’s Web site at www.Intel.com.

System Temperature

This feature displays the system's absolute temperature (i.e., 33

Fan1 - Fan 5

If the feature of Auto Fan Control is enabled, the BIOS will automatically display

the status of the fan as specied.

Fan Speed Control Modes

This feature allows the user to decide how the system controls the speeds of the

onboard fans. The CPU temperature and the fan speed are correlative. When

the CPU on-die temperature increases, the fan speed will also increase, and vice

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Supermicro C2SBM-Q User Manual Page 71