Ec Watchdog Configuration Submenu - Seco Udoo X86 User Manual

4.5.2 EC Watchdog Configuration submenu

Menu Item Options
Watchdog Enabled / Disabled
System reset
Watchdog Action Power Button 1s
Power Button 4s (shutdown)
Delay to start (sec.) 0 ÷ 600
Timeout (sec.) 20 ÷ 600
4.5.3 Thermal Zone configuration submenu
Menu Item Options
Critical temperature (°C) Disabled / 80 / 85 / 88 / 90
Hot temperature (°C) Disabled / 80 / 85 / 88 / 90
Passive Cooling temperature (°C) Disabled / 70 / 75 / 80 / 85
Disabled / 65 / 70 / 75 / 80 /
AC0 Temperature (°C)
85
Disabled / 55 / 60 / 65 / 70 /
AC1 Temperature (°C) 75 / 80 / 85 / 90 / 95 / 100 /
105 / 110 / 115
FAN Duty Cycle (%) Above AC1 50 / 75 / 100
X86
UDOO X86 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by M.B. Copyright © 2017 SECO S.r.l.
Description
Enable or Disable the Watchdog
This submenu is available only when "Watchdog" is set to Enabled.
Specifies the action that must be performed when Watchdog timeout occurs.
With System Reset, the module will reset itself
With "Power Button 1s", the system will simulate the pressure for 1 sec. of Power button, which will lead
the O.S. to close all his tasks then shutdown.
With "Power Button 1s", the system will simulate the pressure for 1 sec. of Power button, which will lead to
the immediate shutdown of the module
This item can be changed only when "Watchdog" is enabled.
Seconds of delay before the watchdog timer starts counting
This item can be changed only when "Watchdog" is enabled.
Watchdog Timeout.
Description
Above this temperature value, an ACPI aware OS performs a critical shutdown.
Above this temperature value, an ACPI aware OS hibernates the system.
Above this threshold, an ACPI aware OS will start to lower the CPU frequency.
Select the highest temperature above which the onboard fan must work always at Full Speed
Select the lowest temperature under which the onboard fan must be OFF.
Use this item to set the Duty Cycle for the fan when the CPU temperature is between AC1 and AC0
threshold. Above AC0, the fan will run at full speed.
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