System Health Monitoring; Onboard Voltage Monitors; Fan Status Monitor With Firmware Control; Environmental Temperature Control - Supermicro H12SSL Series User Manual

1.4 System Health Monitoring

This section describes the health monitoring features of the H12SSL-i/C/CT/NT motherboard.
The motherboard has an onboard Baseboard Management Controller (BMC) chip that
supports system health monitoring. Once a voltage becomes unstable, a warning is given or
an error message is sent to the screen. The user can adjust the voltage thresholds to define
the sensitivity of the voltage monitor.

Onboard Voltage Monitors

The onboard voltage monitor will continuously scan crucial voltage levels. 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 define the sensitivity of the voltage monitor. Real time readings
of these voltage levels are all displayed in BMC.

Fan Status Monitor with Firmware Control

Users can check the RPM status of the cooling fans through the IPMI Web interface. The
chassis fans are controlled by Thermal Management.

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-defined 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 airflow to
your system.

System Resource Alert

This feature is available when used with SuperDoctor 5
user of certain system events. For example, you can configure SuperDoctor 5 to provide you
with warnings when the system temperature, CPU temperatures, voltages and fan speeds
go beyond a predefined range.
. SuperDoctor 5 is used to notify the
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Chapter 1: Introduction