Instruction Manual

Chapter 4: BIOS
4-11
The Early Alarm is enabled when the Tctl value = 65, and is disabled when the Tctl
value drops from 65 to 62.
The Default Alarm (default setting) is enabled when the Tctl value = 70, and is
disabled when the Tctl value drops from 70 to 67.
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
System Fan Monitor
This submenu contains lists the system fans and contains RPM information for
them.
Fan Speed Control Modes
This submenu allows you to determine how the system will control the speed of
the onboard fans. The options are Full Speed/FS (Max Cooling), Performance/
PF (Better Cooling), Balanced/BL (Balance between performance and energy
saving), Energy Saving/ES (Lower Power and Noise).
A display also showing the speeds of FAN1 Speed ~ FAN11 Speed is shown
on this page.