Chapter 4: BIOS
4-17
XHardware Monitor Logic
Highlight an item and hit <Enter> to see the status of each of the following items:
CPU1 Temperature/CPU2 Temperature/System Temperature
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 vice
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 Modula-
tion (PWM). Select 3-pin if your chassis came with 3-pin fan headers. Select 4-pin
if your chassis 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 (Full-speed @12V), 2. Optimized
for Servers w/3-pin, 3.Optimized for Workstations w/3-pin, 4. Optimized for Servers
w/4-pin, and 5. Optimized for Workstations w/4-pin.
Voltage Monitoring
The following items will be monitored and displayed:
Vcore A, Vcore B, -12V, P1V5, +3.3V, +12V, 5Vsb, 5VDD, P_VTT, Vbat.
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