IEI Technology KINO-QM57A, User Manual

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KINO-QM57A Mini-ITX SBC
Page 77
5.3.1 ACPI Configuration
The ACPI Configuration menu ( BIOS Menu 3 ) configures the Advanced Configuration
and Power Interface (ACPI) options.
Aptio Setup Utility – Copyright (C) 2009 American Megatrends, Inc.
Advanced
ACPI Sleep State
[S1 (CPU Stop Clo…)]
Set the ACPI state used
for System suspend
----------------------
ÅÆ
: Select Screen
↑ ↓
: Select Item
Enter Select
F1 General Help
F2 Previous Values
F3 Optimized
Defaults
F4 Save
ESC Exit
Version 2.00.1201. Copyright (C) 2009 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.