IEI Integration ECW-281B-N270-WT v3.01 User Manual
Page 89

ECW-281B/281B2-R30/N270 Embedded System
Page 74
CPU FAN Mode Setting [Full On Mode]
Use the CPU FAN Mode Setting option to configure the second fan.
Full On Mode
D
EFAULT
Fan is on all the time
Automatic mode
Fan is off when the temperature is low
enough. Parameters must be set by the
user.
PWM Manually mode
Pulse width modulation set manually
When the CPU FAN Mode Setting option is in the Automatic Mode, the following
parameters can be set.
CPU Temperature Limit of Off
CPU Temperature Limit of On
CPU Fan Start PWM
Slope
PWM
When the CPU FAN Mode Setting option is in the PWM Manually Mode, the following
parameters can be set.
CPU Fan PWM control
CPU Temperature Limit of Off [000]
WARNING:
Setting this value too high may cause the fan to stop when the CPU is
at a high temperature and therefore cause the system to be damaged.
The CPU Temperature Limit of Off option can only be set if the CPU FAN Mode Setting
option is set to Automatic Mode. Use the CPU Temperature Limit of Off option to select
the CPU temperature at which the cooling fan should automatically turn off. To select a
value, select the CPU Temperature Limit of Off option and enter a decimal number
between 000 and 127. The temperature range is specified below.