AAEON PICO-HD01 - Manual (Page 48)

P I C O - I T X B o a r d P I C O - H D 0 1
ACPI Settings
Options summary: (default setting)
Enabled
Enable Hibernation
Disabled
Enabled or disabled hibernate (OS/S4 Sleep State).
Suspend Disabled
S1 only(CPU Stop Clock)
S3 only(Suspend to RAM)
ACPI Sleep State
AUTO
Select the ACPI state used for System Suspend
Chapter 3 AMI BIOS Setup 3-7