Intel iEi Motherboard A300 - Manual (Page 114)

A300 Motherboard
Use APIC ACPI SCI IRQ option to enable the system to send a flag report to the ACPI OS
if a SCI IRQ interrupt event is made via the APIC.
Disabled D EFAULT No flag report is sent to the ACPI OS when there is a
"SCI IRQ" interrupt event.
Enabled Flag report is sent to the ACPI OS when there is a "SCI
IRQ" interrupt event is made via the APIC.
BIOS AML ACPI table [Enabled]
The AMI OEMB table allows the ACPI BIOS to add a pointer to an AML ACPI table in the
Root System Description Table (RSDT). The OEMB table is used to pass POST data to
the AML code during ACPI O/S operations."
Disabled (Default) BIOS will not add a pointer to an AML ACPI table
Enabled BIOS adds a pointer to an AML ACPI table
Headless Mode [Disabled]
Use the Headless Mode option to update the ACPI FACP (Fixed ACPI Description Table)
to indicate headless operations, i.e. a computer without a monitor, keyboard and mouse.
Disabled (Default) The FACP is not updated to indicate headless mode
Enabled The FACP is updated to indicate headless mode
6.1.5 MPS Configuration
The MPS Configuration menu (BIOS Menu 7) configures the multi-processor table.
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