Datasheet

1-10
P8SCT User’s Manual
1-3 PC Health Monitoring
This section describes the PC health monitoring features of the P8SCT. The
motherboard has an onboard System Hardware Monitor chip that supports PC
health monitoring.
Seven Onboard Voltage Monitors for the CPU Core, +3.3V, +5V,
+5V Standby, VBAT, and ±12V
The onboard voltage monitor will scan these voltages continuously. 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 defi ne the sensitivity of the voltage
monitor via Supero Doctor III.
Fan Status Monitor with Firmware Speed Control
The PC health monitor can check the RPM status of the cooling fans. The onboard
fans are controlled by thermal management via BIOS.
CPU Overheat Control
This feature is available when the user enables the CPU overheat warning function
in the BIOS. This allows the user to defi ne an overheat temperature. When the
temperature reaches the pre-defi ned OH temperature or when a fan failure occurs,
then, the Overheat warning LED is triggered.
Auto-Switching Voltage Regulator for the CPU Core
The 4-phase-switching voltage regulator for the CPU core can support auto-sense
voltage IDs ranging from 0.875 V to 1.6V. This will accommodate different CPUs
with different core voltage requirements. It will also allow the regulator to run cooler
and thus make the system more stable.
1-4 CPU Thermal Management
Thermal Management 2 (TM2)
When TM2 is enabled in the BIOS and the CPU temperature reaches a pre-defi ned
threshold, a thermal monitoring mechanism will reduce the process speed by lower-
ing the bus-to-core ratio of the processor core clock and decrease the voltage input
by changing the CPU VID. This combination of reduced CPU bus frequency and
CPU VID effectively decreases CPU power consumption and prevents the proces-
sor from overheat, and thus, greatly increases system stability. (*This function is
available for the CPUs that support TM2.)