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Chapter 7: BIOS
7-17
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
o
C). The CPU Temperature feature will display
the CPU temperature status as detected by the BIOS:
Low – This level is considered as the ‘normal’ operating state. The CPU temperature
is well below the CPU ‘Temperature Tolerance’. The motherboard fans and CPU will
run normally as confi gured in the BIOS (Fan Speed Control).
User intervention: No action required.
Medium – The processor is running warmer. This is a ‘precautionary’ level and
generally means that there may be factors contributing to this condition, but the CPU
is still within its normal operating state and below the CPU ‘Temperature Tolerance’.
The motherboard fans and CPU will run normally as confi gured in the BIOS. The
fans may adjust to a faster speed depending on the Fan Speed Control settings.
User intervention: No action is required. However, consider checking the CPU fans
and the chassis ventilation for blockage.
High – The processor is running hot. This is a ‘caution’ level since the CPU’s ‘Tem-
perature Tolerance’ has been reached (or has been exceeded) and may activate
an overheat alarm.
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.
Notes: 1. The system may shut down if it continues for a long period to
prevent damage to the CPU.
2. 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: The system temperature will be displayed (in degrees in
Celsius and Fahrenheit) as it is detected by the BIOS.
Fan Speed Control Monitor
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
versa. Select Workstation if your system is used as a Workstation. Select Server if
your system is used as a Server. Select “Disabled, (Full Speed @12V)” to disable
the fan speed control function and allow the onboard fans to constantly run at the
full speed (12V). The Options are: 1. Disabled (Full Speed), 2. Server Mode, 3.
Workstation Mode.