SUPER MICRO Computer SUPERO X8SIA-F - Manual (Page 93)

Chapter 4: AMI BIOS
4-17
synchronizing multimedia streams, providing smooth playback and reducing the de-
pendency on other timestamp calculation devices, such as an x86 RDTSC Instruc-
tion embedded in the CPU. The High Performance Event Timer is used to replace
the 8254 Programmable Interval Timer. The options are
Enabled and Disabled.
PS2 KB/MS Wakeup
This feature is used to awaken the system from Standby mode by a PS/2 mouse
or PS/2 keyboard. This must be enabled in the system level and Operating System
(O/S) as well, if supported).
S1 (OS Control) - Enables system wake up from S1 (default).
S5 (OS Control) - Enables system wake up from S1/S3/S4/S5.
Force Enable - Wake up support is always enabled regardless whether it is disabled
in the O/S.
Force Disable - Wake up support is always disabled regardless whether it is en-
abled in the O/S.
ACPI Aware O/S
Enable ACPI support if it is supported by the OS to control ACPI through the Operat-
ing System. Otherwise, disable this feature. The options are
Yes and No.
ACPI APIC Support
Select Enabled to include the ACPI APIC Table Pointer in the RSDT (Root System
Description Table) pointer list. The options are
Enabled and Disabled.
APIC ACPI SCI IRQ
When this item is set to Enabled, APIC ACPI SCI IRQ is supported by the system.
The options are Enabled and
Disabled.
Headless Mode
This feature is used to enable the system to function without a keyboard, monitor
or mouse attached The options are Enabled and
Disabled.
ACPI Version Features
The options are ACPI v1.0,
ACPI v2.0 and ACPI v3.0. Please refer to ACPI's website
for further explanation: http://www.acpi.info/