Q7-974
Q7-974 User Manual - Rev. First Edition: 0.1 - Last Edition: 2.3 - Author: S.B. - Reviewed by G.G. Copyright © 2017 SECO S.r.l.
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4.5.2
EC Watchdog Configuration submenu
4.5.3
Thermal Zone configuration (TjMax = 110 °C) submenu
Menu Item
Options
Description
Watchdog
Enabled / Disabled
Enable or Disable the Watchdog
Watchdog Action
System reset
Power Button 1s
Power Button 4s (shutdown)
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 4s (shutdown)
”
, the system will simulate the pressure for 4 sec. of Power button, which
will lead to the immediate shutdown of the module
Delay to start (sec.)
1 ÷ 600
This item can be changed only when
“
Watchdog
”
is enabled.
Seconds of delay before the watchdog timer starts counting
Timeout (sec.)
20 ÷ 600
This item can be changed only when
“
Watchdog
”
is enabled.
Watchdog Timeout.
Menu Item
Options
Description
Critical temperature (°C)
95 / 100 / 105 / 110 / 115
Use this item to set the maximum temperature that the CPU can reach. Above this temperature value, the
system will perform a critical shutdown
Passive Cooling temperature
(°C)
70 / 75 / 80 / 85 / 90
Use this item to set the temperature threshold for the CPU. Above this threshold, an ACPI aware OS will
start to lower the CPU frequency.
AC0 Temperature (°C)
50 / 55 / 60 / 65 / 70 / 75 / 80
/ 85 / 90 / 95 / 100 / 105 /
110 / 115
Select the highest temperature above which the onboard fan must work always at Full Speed
AC1 Temperature (°C)
25 / 30 / 35 / 40 / 45 / 50 / 55
/ 60 / 65 / 70 / 75 / 80 / 85 /
90 / 95 / 100 / 105 / 110 /
115
Select the lowest temperature under which the onboard fan must be OFF.
FAN Duty Cycle (%) Above AC1
50 / 75 / 100
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.
