IEI Integration IMBA-XQ354 v1.10 - Manual (Page 142)

IMBA-XQ354 Motherboard
Page 122
6.3.6.1 ACPI Configuration
Use the ACPI Configuration menu (
9
BIOS Menu 11) to select the ACPI state when the
system is suspended.
BIOS Menu 11: Advanced ACPI Configuration
 Suspend Mode [S1(POS)]
Use the Suspend Mode option to specify the sleep state the system enters when it is not
being used.

S1 (POS) The system enters S1(POS) sleep state. The system
appears off. The CPU is stopped; RAM is refreshed; the
system is running in a low power mode.

S3 (STR) D EFAULT The system enters S3(STR) sleep state.