IEI Technology WAFER-PV-D4253, User Manual

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WAFER-PV-D5253/D4253/N4553 SBC
Page 69
Aptio Setup Utility – Copyright (C) 2010 American Megatrends, Inc.
Advanced
ACPI Sleep State [S1 (CPU Stop Clock)] Select the highest ACPI
sleep state the system
will enter, when the
SUSPEND button is
pressed.
----------------------

: Select Screen
 
: Select Item
EnterSelect
+/-: Change Opt.
F1
General Help
F2 Previous Values
F3 Optimized Defaults
F4 Save & Exit
ESC Exit
Version 2.02.1205. Copyright (C) 2010 American Megatrends, Inc.
BIOS Menu 3: ACPI Configuration

ACPI Sleep State [S1 (CPU Stop Clock)]
Use the ACPI Sleep State option to specify the sleep state the system enters when it is
not being used.

S1 (CPU Stop
Clock)
D
EFAULT
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 (Suspend to
RAM)
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.