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Chapter 1: Introduction
Onboard Voltage Monitors
The onboard voltage monitor will continuously scan crucial voltage levels. Real time readings
of these voltage levels are all displayed in BIOS. Once a voltage becomes unstable, it will give
a warning or send an error message to the screen. Users can adjust the voltage thresholds
to dene the sensitivity of the voltage monitor.
Fan Status Monitor with Firmware Control
PC health monitoring in the BIOS can check the RPM status of the cooling fans. The onboard
CPU and chassis fans are controlled by Thermal Management. Refer to the below table for
available fan modes to choose the most appropriate one for nominal operation.
Environmental Temperature Control
The thermal control sensor monitors the CPU temperature in real time and will turn on the
thermal control fan whenever the CPU temperature exceeds a user-dened threshold. The
overheat circuitry runs independently from the CPU. Once the thermal sensor detects that
the CPU temperature is too high, it will automatically turn on the thermal fans to prevent the
CPU from overheating. The onboard chassis thermal circuitry can monitor the overall system
temperature and alert the user when the chassis temperature is too high.
Note: To avoid possible system overheating, please be sure to provide adequate air-
ow to your system.
System Resource Alert
This feature is available when used with SuperDoctor 5
®
. SuperDoctor 5 is used to notify the
user of certain system events. For example, you can congure SuperDoctor 5 to provide you
with warnings when the system temperature, CPU temperatures, voltages and fan speeds
go beyond a predened range.
Figure 1-4. Fan Speed Modes
Fan Mode Description
Full Speed Use this mode to set fan speed at full speed for maximum system cooling
Standard Use this mode to set fan speed for normal system cooling
PUE2 Use this mode to set fan speed for best power ef ciency and maximum noise reduction
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