User`s guide

46 • BIOS Configuration
Spread Spectrum
This field sets the value of the spread spectrum. Options are Disabled,
1.8% (CNTR), 0.6% (CNTR), 1.8% (DOWN), and 0.6% (DOWN). The
default setting is Disabled. This field is for CE testing use only.
Case_Open Warning
When the system is power on, to open the system’s case may causes
accidental damage. If this field enabled, it alarms by speaker beeping. You
must turn off the power and close the system’s case to disable the beeping.
The default setting is Disabled.
CPU Warning Temperature
This field sets the threshold temperature at which an alert is sounded
through the system’s speaker. The CPU temperature is monitored by the
onboard thermal sensor to prevent the CPU from overheating.
Current System/CPU Temperature
These read-only fields reflect the functions of the hardware thermal sensor
that monitors the CPU and system temperatures to ensure the system is
stable.
Current CPU Fan Speed
These read-only fields show the current speeds in RPM (revolution per
minute) for the CPU fan and chassis fan as monitored by the hardware
monitoring IC.
VCORE/3.3V/+12V/-12V/+5V
These read-only fields show the current voltages in the voltage regulators
and power supply as monitored by the hardware monitoring IC.
Shutdown Temperature
This field allows you to set the temperature at which the system
automatically shuts down once it is reached, in order to avoid damage to
system components.