ADLINK NuPRO-E340 - Manual (Page 56)

42 BIOS Setup
5.3.1 ACPI Settings
Enable APIC Auto Configuration
BIOS ACPI Auto Configuration. Options: Enabled/Disabled.
Enable Hibernation
Enable or disable the system's ability to hibernate (S4 sleep
state). This option may be not effective with some OS's.
ACPI Sleep State
Select the highest ACPI sleep state the system will enter, when
the SUSPEND button is pressed. Options: S1, S3, Suspend
Disable.
AC Power Shutdown
ATX mode: OS will turn off system power when shutdown.
AT mode: OS show It is now safe to turn off your computer.
Lock Legacy Resources
Enable or disable Lock of Legacy Resources.
NOTE: NOTE:
AT mode will not support S3 & S4.