User Manual

TANK-820 Embedded System
Page 60
 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)
DEFAULT
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.

S
3 (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.
5.3.2 RTC Wake Settings
The RTC Wake Settings menu (BIOS Menu 4) configures RTC wake event.
Aptio Setup Utility – Copyright (C) 2012 American Megatrends, Inc.
Advanced
Wake system with Fixed Time [Disabled] Enable or disable System
wake on alarm event. When
enabled, System will
wake on the
dat::hr::min::sec
specified
----------------------
 : Select Screen
↑ ↓: Select Item
Enter Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Version 2.15.1226. Copyright (C) 2012 American Megatrends, Inc.
BIOS Menu 4: RTC Wake Settings