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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 via SIO.
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 you when the chassis temperature is too high.
Note: To avoid possible system overheating, please be sure to provide adequate air-
flow to your system.
System Resource Alert
This feature is available when used with
environment. SuperDoctor is used to notify you of certain system events. For example, you
can configure SuperDoctor to provide you with warnings when the system temperature, CPU
temperatures, voltages and fan speeds go beyond a predefined range.
1.5 ACPI Features
The Advanced Configuration and Power Interface (ACPI) defines a flexible and abstract
hardware interface that provides a standard way to integrate power management features
throughout a computer system, including its hardware, operating system and application
software. This enables the system to automatically turn on and off peripherals such as CD-
ROMs, network cards, hard disk drives and printers.
In addition to enabling operating system-directed power management, ACPI also provides a
generic system event mechanism for Plug and Play, and an operating system-independent
interface for configuration control. ACPI leverages the Plug and Play BIOS data structures,
while providing a processor architecture-independent implementation that is compatible with
appropriate Windows operating systems. For detailed information regarding OS support,
please refer to the Supermicro website.
Slow Blinking LED for Suspend-state Indicator
When the CPU goes into a suspend state, the chassis power LED will start to blink to indicate
that the CPU is in suspend mode. When you press any key, the CPU will "wake up," and the
LED will automatically stop blinking and remain on.
SuperDoctor 5
in the Windows OS or in the Linux
21
Chapter 1: Introduction
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