Kontron pITX-SP - Manual (Page 51)

KTD-S0002-I Page 46 Setup Guide
p ITX-SP User's Guide
18.5.4 ACPI Configuration Submenu
Feature Option Description
ACPI Version ACPI 2.0
ACPI 3.0
Select the desired ACPI specification (OS depending)
Suspend Mode Disabled
S3 (STR)
Define the power down mode (STR = Suspend To RAM)
ACPI APIC Support Disabled
Enabled
APIC supports more IRQs and faster interrupt handling
Repost Video on S3
Resume
No
Yes
Determine whether to invoke the VGA BIOS post on suspend
event (resume)
Headless Mode Disabled
Enabled
Indicate support for headless operation that means without
keyboard, mouse and/or monitor. The OS must support the
headless mode
LAN Wakeup from S3 Disabled
Enabled
Enable LAN wake event
USB Wakeup from S3 Disabled
Enabled
Enable USB wake event
8ACPI Cooling Options Submenu Settings for thermal management
18.5.4.1 ACPI Cooling Options Submenu
Feature Option Description
Cooling Mode Passive Cooling
Active Cooling
Active & Passive
Set the cooling method
Passive Trip Point Disabled, 40°C
45°C, ... 95°C
Determine the temperature of passive trip point - the point
at which the OS will turn on/off the CPU clock throttling
Passive TC1 Value 1, 2, ... 5, ... 16 Determine TC1 (Temperature Coefficient 1) value
Passive TC2 Value 1, 2, ... 5, ... 16 Determine TC2 (Temperature Coefficient 2) value
Passive TSP Value 2, 4, ... 10, ... 30 Determine TSP (Temperature Sampling Period) value
Active Trip Point Disabled, 40°C
45°C, ... 95°C
Determine the temperature of active trip point - the point at
which the OS will turn on/off the CPU fan
Active Hysteresis 1°C, 2°C, ... 5°C
6°C ... 10°C
Set the hysteresis for the active trip point
Polling Time 5 Sec., 10 Sec.
15 Sec., .. 30 Sec.
35 Sec, 40 Sec.
50 Sec., 60 Sec.
Define the thermal zone polling time
Critical Trip Point Disabled, 70°C
75°C ...
100°C
This value controls the temperature of the point at which the
OS will shut off the system