Supermicro P4SGA+ User Manual download pdf (Page 20)

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SUPER P4SGA/P4SGL/P4SGR/P4SGE User’s Manual

1-3 PC Health Monitoring

This section describes the PC health monitoring features of the SUPER

P4SGA/P4SGL/P4SGR/P4SGE. The motherboard has an onboard System

Hardware Monitor chip that supports PC health monitoring.

Nine Onboard Voltage Monitors for the CPU Core, Chipset

Voltage, +3.3V, +3.3V standby,

+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 define the sensi-

tivity of the voltage monitor.

Fan Status Monitor with Firmware/Software On/Off Control

The PC health monitor can check the RPM status of the cooling fans. The

onboard 3-pin fans are controlled by the power management functions.

Environmental Temperature Control

The P4SGA/P4SGL/P4SGR/P4SGE has a CPU "thermal trip" feature. A ther-

mal control sensor monitors the CPU temperature in real time and will send

a signal to shut down the system whenever the CPU temperature exceeds

a certain threshold. This works to protect the CPU from being damaged by

overheating.

CPU Overheat LED and Control

This feature is available when the user enables the CPU overheat warning

function in the BIOS. This allows the user to define an overheat tempera-

ture. When this temperature is exceeded, the CPU thermal trip feature will

activate and shut down the system.

Hardware BIOS Virus Protection

The system BIOS is protected by hardware so that no virus can infect the

BIOS area. The user can only change the BIOS content through the flash

utility provided by Supermicro. This feature can prevent viruses from in-

fecting the BIOS area and destroying valuable data.

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Supermicro P4SGA+ User Manual Page 20