User`s manual

Chapter 4: BIOS
4-13
When COA (either Early or Default Alarm) is enabled, the following actions are
required to be executed:
• System overheating LED is required to be ON and to solid red.
• Onboard buzzer or speaker is required to be ON and to be a continuous sound.
• All system fans are required to be operated at full speed.
• System monitoring software (such as Super Doctor and IPMI if available) is
required to report and record CPU overheating events in the event logs.
When COA (either Early or Default Alarm) is disabled, the following actions are
required to be executed:
• System overheating LED is required to be OFF.
• Onboard buzzer or speaker is required to be OFF.
• All system fans are required to be returned to a normal, non-CPU-overheating
LFSC condition.
Condition When a CPU is overheating
Front Panel Overheating LED On and Solid Red
Onboard Buzzer or Speaker On and Continuous Sound
System Fan Speed Controls Full Speed
BMC Report PROCHOT
BMC Event Log Record PROCHOT
Super Doctor Report PROCHOT
Super Doctor Event Log Record PROCHOT
 ACPI Confi guration
PS2 KB/MS Wakeup
This setting allows you to Enable or Disable PS2 keyboard and mouse wakeup.
ACPI Aware O/S
This setting Enables or Disables ACPI support for the system's operating system.
Options include Yes (enabled) or No (disabled).
ACPI APIC Support
Determines whether to include the ACPI APIC table pointer in the RSDT pointer
list. The available options are Enabled and Disabled.
Headless Mode
Use this setting to Enable or Disable headless operation mode through ACPI.