ADLINK Express-LPC - Manual (Page 60)

Express-LPC User’s Manual Page 60
Suspend mode
This setting selects either S1 (POS) or S3 (STR) system suspend mode. The Optimal and
Fail-Safe Default setting is S3 (STR).
Option Description
S1 (POS) Power On Suspend - Under this setting the CPU is not executing instructions, all power resources that
supply system level reference of S0 are off, system memory context is maintained, devices that
reference power resources that are on are on, and devices that can wake-up the system can cause
the cpu to continue to execute from where it left off.
S3 (STR) Suspend to RAM - Under this setting the system enters a low power state instead of being
completely shut off. This allows the computer system to boot up in a few seconds.
Headless mode
This is a server-specific feature. A headless server is one that operates without a keyboard,
monitor or mouse. To run in headless mode, both BIOS and operating system (e.g. Windows
Server 2003) must support headless operation
Restore on AC Power Loss
Determines what state the computer enters when AC power is restored after a power loss.
The options for this value are Last State, Power On and Power Off.
Option Description
Power Off Set this value to always power off the system while AC power is restored.
Power On Set this value to always power on the system while AC power is restored.
Last State
Set this value to power off/on the system depending on the last system power state while AC power is
restored.
ACPI OS Shutdown Mode
Option Description
AT System will display “It's Now Safe To Turn Off Your Computer” and wait for manual power off.
ATX System will automatically power down.
AT mode does not support S3 & S4.