IEI Technology WAFER-PV-D5252, User Manual

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WAFER-PV-D5252/D4252/N4552 SBC
Page 68
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.
----------------------
ÅÆ
: Select Screen
↑ ↓
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
Version 2.02.1205. Copyright (C) 2010 American Megatrends, Inc.
BIOS Menu 3: ACPI Configuration
Î
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.
Î
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.
Î
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.