Asus P4B533 - Manual (Page 100)

4-32 Chapter 4: BIOS Setup
4.5.2 Hardware Monitor
MB Temperature [xxxC/xxxF]
CPU Temperature [xxxC/xxxF]
POWER Temperature [N/A]
The onboard hardware monitor automatically detects and displays the
motherboard and CPU temperatures.
If your power supply comes with a two-pin thermal sensor cable, connect
this cable to the TRPWR connector on the motherboard to allow BIOS to
auto-detect the power supply temperature (see page 2-28 for the location
of the TRPWR connector). The POWER temperature item shows N/A if
you do not have the appropriate power supply. Select [Ignore] to disable
the power temperature auto-detect function.
Q-Fan Control [Disabled]
This item allows you to enable or disable the ASUS Q-Fan feature that
smartly adjusts the fan speeds for more efficient system operation. When
this field is set to [Enabled], the
Fan Speed Ratio and Speed Up/Down
Response Time items appear to allow selection of the appropriate fan
speeds and the corresponding response time. Configuration options:
[Disabled] [Enabled]