IEI Technology WAFER-ULT3, User Manual

Page: 92 / 136

WAFER-ULT3/ULT4 3.5" SBC
Page 78
5.3.3 ACPI Settings
The ACPI Settings menu ( BIOS Menu 5 ) configures the Advanced Configuration and
Power Interface (ACPI) options.
Aptio Setup Utility – Copyright (C) 2017 American Megatrends, Inc.
Advanced
ACPI Settings
ACPI Sleep State [S3 (CPU Stop Clock)]
Select the highest ACPI
sleep state the system
will enter when the
SUSPEND button is
pressed.
----------------------

: Select Screen
↑ ↓ : Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Version 2.18.1263. Copyright (C) 2017 American Megatrends, Inc.
BIOS Menu 5: ACPI Settings

ACPI Sleep State [S3 (Suspend to RAM)]
Use the ACPI Sleep State option to specify the sleep state the system enters when it is
not being used.

S3 (Suspend to
RAM) D
EFAULT
The caches are flushed and the CPU is powered
off. Power to the RAM is maintained. The
computer returns slower to a working state, but
more power is saved.