Supermicro X9DRT-IBQF User Manual Page 20

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X9DRT-F/-IBQF/-IBFF Motherboard User’s Manual
1-3 Special Features
Recovery from AC Power Loss
The Basic I/O System (BIOS) provides a setting that determines how the system will
respond when AC power is lost and then restored to the system. You can choose for
the system to remain powered off (in which case you must press the power switch
to turn it back on), or for it to automatically return to the power-on state. See the
Advanced BIOS Setup section for this setting. The default setting is Last State.
1-4 PC Health Monitoring
This section describes the features of PC health monitoring of the motherboard.
This motherboard has an onboard System_Hardware_Monitor chip that supports
PC health monitoring. An onboard voltage monitor will scan the following onboard
voltages continuously: CPU1 Vcore, CPU2 Vcore, +1.0V, +1.2V, +1.8V, +1.1V, +12V,
1.5V, 3.3V V, 3.3VSB, and Battery Voltage. 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 dene the sensitivity of the voltage monitor.
Environmental Temperature Control
A thermal management controller monitors the CPU temperature in real time and
will turn on the thermal control fan whenever the CPU temperature exceeds a user-
dened threshold. The overheat circuitry runs independently from the CPU. Once
the CPU temperature is too high, the thermal control manager will automatically turn
on the thermal fan control to prevent the CPU from overheating, and the overheat
beep will be activated to alert the user when the 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® III in the Windows OS
environment or used with SuperDoctor II in Linux. SuperDoctor is used to notify
the user of certain system events. For example, you can congure SuperDoctor
to provide you with warnings when the system temperature, CPU temperatures,
voltages and fan speeds go beyond a predened range.
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