3-23
Themis Computer
BIOS Setup Utility
IDE/SATA/Floppy Configuration
The Default Alarm – the Overheat LED and system buzzer will activate if the
High condition continues for some time after it is reached. The CPU fan will run
at full speed to bring the CPU temperature down. If the CPU temperature still
increases even with the CPU fan running at full speed, the system buzzer will
activate and the Overheat LED will turn on.
The Early Alarm – the Overheat LED and system buzzer will be activated
exactly when the High level is reached. The CPU fan will run at full speed to
bring the CPU temperature down.
User intervention:
If the system buzzer and Overheat LED has activated, take
action immediately by checking the system fans, chassis ventilation and room tem-
perature to correct any problems.
System Temperature:
This feature displays the absolute system temperature (i.e. 34° C).
3.3.9.3 Fan 1—Fan 6 Reading
This feature displays the fan speed readings from fan interfaces Fan0 through Fan5.
3.3.9.4 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 for effective sys-
tem cooling. Select Full Speed to allow the onboard fans to run at full speed (or
100% of the Pulse Width Modulation Duty Cycle) for maximum cooling. The Full
Speed setting is recommended for special system configuration or debugging. Select
Performance for the onboard fans to run at 70% of the Initial PWM Cycle for better
system cooling. The Performance setting is recommended for high-power-consum-
ing and high-density systems. Select Balanced for the onboard fans to run at 50% of
Note:
In both the alarms above, please take immediate action as shown below.
See CPU Overheat Alarm to modify the above alarm settings.
Note:
1.
The system may shut down if it continues for a long period to prevent
damage to the CPU.
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