ADLINK MXE-5300 Series - Manual (Page 58)

48 BIOS Settings
5.2.1 ACPI Settings
Enable ACPI Auto Configuration
Enables or disables BIOS ACPI Auto Configuration.
Enable Hibernation
Enables or disables system's ability to hibernate. This option
may be not effective with some OS.
ACPI Sleep State
Selects the highest ACPI sleep state the system will enter
when the SUSPEND button is pressed.
Lock Legacy Resource
Enables or disables lock of legacy resource to prevent changes
in IO resource for legacy devices like serial ports.