Kontron COMe-cSP2 - Manual (Page 91)

COMe-cSP2 / BIOS Operation
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ACPI Configuration - Advanced ACPI Configuration
Feature Option Description
ACPI Version ACPI 1.0
ACPI 2.0
ACPI 3.0 Selects the desired ACPI specification (OS depending)
ACPI APIC Support Disabled
Enabled Include ACPI APIC table pointer to RSDT pointer list. APIC
supports more IRQs and faster interrupt handling
AMI OEMB Table Disabled
Enabled Includes the AMI OEMB table pointer. The OEMB table is
used to fill in POST data in AML code during ACPI OS
operations. This option should only be disabled if ACPI 1.0 is
used
Headless Mode Disabled
Enabled Indicates support for headless operation, that means
without keyboard, mouse and/or monitor. The OS must
support the headless mode