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X8SIE/X8SIE-F/X8SI6-F/X8SIE-LN4/X8SIE-LN4F
Supermicro has leveraged this feature by assigning a temperature status to
certain thermal conditions in the processor (Low, Medium and High). This
makes it easier for the user to understand the CPU’s temperature status,
rather than by just simply seeing a temperature reading (i.e., 25
o
C).
The information provided above is for your reference only. For more information on
thermal management, please refer to Intel’s Web site at www.Intel.com.
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
system cooling. Select Full Speed to allow the onboard fans to run at full speed (of
100% 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-
consuming and high-density systems. Select Balanced for the onboard fans to run
at 50% of the Initial PWM Cycle in order to balance the needs between system
cooling and power saving. The Balanced setting is recommended for regular sys-
tems with normal hardware configurations. Select Energy Saving for the onboard
fans to run at 30% of the Initial PWM Cycle for best power efficiency and maximum
quietness. The Options are:
Full Speed (@100% of PWM Cycle)
, Performance
(@70% of PWM Cycle), Balanced (@50% of PWM Cycle), and Energy Saving
(@30% of PWM Cycle).
Fan1 ~ Fan 6 Reading
This feature displays the fan speed readings from fan interfaces Fan1 through
Fan5.
Vcore, AVCC, 3.3Vcc, 12V, V_DIMM, 5V, -12V, 3.3Vsb, and Vbat
ACPI Configuration
Use this feature to configure Advanced Configuration and Power Interface (ACPI)
power management settings for your system.
High Performance Event Timer
Select Enabled to activate the High Performance Event Timer (HPET) that produces
periodic interrupts at a much higher frequency than a Real-time Clock (RTC) does in
synchronizing multimedia streams, providing smooth playback and reducing the de-
pendency on other timestamp calculation devices, such as an x86 RDTSC Instruc-
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