User`s guide

Hardware Doctor Utility
77
Fan Speed:
The mos t popular PC system may only have one fan on the motherboard.
When the fan is not connected or doesn't exist, the fan speed column will
be indicated "Low speed". At this time, please disable the fan in the
"configuration" page.
CPU fan is located in the m otherboard to keep CPU in normal temperature.
If this fan turns low speed or stops, the temperature will be raised and the
PC/CPU may be damaged or operate unstably.