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10 BIOS Operation
Kontron User's Guide ETX CD 81
10.3.5 Power Menu
Feature Option Description
Enable ACPI
No
Yes
En/Disable ACPI BIOS (Advance
Configuration and Power Interface)
Enable ACPI _Sx state
None
S1
S3
S1+S3
This option allows to selectively enable Sx
standby states for ACPI OS. Choosing ‘None’
will force the OS to have only S4 and S5
states.
Special S3 State
S3hot
S3cold
Controlles if the 5V_Stb is switched off
(S3cold) during S3 or stays on (S3hot)
After Power Failure
Stay Off
Last State
Power On
Sets the mode of operation if an AC/Power
Loss occurs. The two modes are:
Enabled restores the previous power state
before loss occurred,
Disabled keep the power off until the power
button is pressed.
The Disabled choice turns off Resume on
Modem Ring.
FACP – RTC S4 Flag Value
Disabled
Enabled
Valid only for ACPI. Control the value for the
RTC S4 Flag in the FACP Table
Resume On Time
On
OFF
Disables/Enables the Resume On Time
Feature
Resume Time [XX:XX:XX] Sets the Time for the Rsume On Time Feature
M.A.R.S.
Disabled
Enabled
Disables/Enables the support for the SMART
battery control system M.A.R.S