IEI Integration ECW-281B-N270-WT v2.10 - Manual (Page 90)

ECW-281B-R21/N270 Embedded System
Page 74
BIOS Menu 7: Hardware Health Configuration
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 Manual 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 Temp. Limit of OFF
CPU Temp. Limit of Start
CPU Fan Start PWM
Slope PWM 1
When the CPU FAN Mode Setting option is in the PWM Manual Mode, the following
parameters can be set.
CPU Fan PWM control
CPU Temp. 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 Temp. Limit of OFF option can only be set if the CPU FAN Mode Setting
option is set to Automatic Mode. Use the CPU Temp. Limit of OFF option to select the
CPU temperature at which the cooling fan should automatically turn off. To select a value,