X7DBU/X7DGU User's Manual

the PECI Agent is still within its normal operating state and below its ‘Temperature Tolerance’. The cooling fans will run normally as configured in the BIOS. The fans may adjust to a faster speed depending on the Fan Speed Control settings.

User intervention: No action is required. However, consider checking the cooling fans and the chassis ventilation for blockage.

High – The PECI Agent is running hot. This is a ‘caution’ level since the PECI Agent ’s ‘Temperature Tolerance’ has been reached (or has been exceeded) and may activate an overheat alarm. The system may shut down if it continues for a long period to prevent damage to the PECI Agent.

User intervention: If the system buzzer and Overheat LED has activated, take action immediately by checking the system fans, chassis ventilation and room temperature to correct any problems.

System Temperature

This item displays the absolute system temperature status as detected by the BIOS:

Fan1-Fan8 Speeds

If the feature of Auto Fan Control is enabled, the BIOS will automatically display the status of the fans indicated in this item.

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, and vise versa. If the option is set to 3-pin fan, the fan speed is controlled by voltage. If the option is set to 4-pin, the fan speed will be controlled by Pulse Width Modulation (PWM). Select 3-pin if your chassis came with 3-pin fan headers. Select 4-pin if your chas- sis came with 4-pin fan headers. Select Workstation if your system is used as a Workstation. Select Server if your system is used as a Server. Select Disable to disable fan speed control and allow the onboard fans to constantly run at full speed (12V). The Options are: 1. Disable (running@Full Speed), 2. 3-pin (Server), 3. 3-pin (Workstation), 4. 4-pin (Server) and 5. 4-pin (Workstation).

Voltage Monitoring

The following items will be monitored and displayed:

Vcore A/Vcore B, -12V/+12V, P1V5/CPU_VTT/Vbat, +3.3V, 5Vsb/5VDD

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SUPER MICRO Computer X7DGU, X7DBU System Temperature, Fan1-Fan8 Speeds, Fan Speed Control Modes, Voltage Monitoring