Intel A300 - 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 DEFAULT 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.
Page 99