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ASUS P4B533-VM motherboard user guide
1-3
1.3.2 Value-added solutions
ASUS JumperFree™ mode
• adjustable CPU frequency multiple in BIOS using the ASUS
JumperFree™ solution
• adjustable FSB frequency ratio
Concurrent PCI
This feature allows multiple PCI transfers from PCI master buses to the
memory and processor.
Temperature, fan, and voltage monitoring
The CPU temperature is monitored by the ASUS ASIC through the CPU’s
internal diode to prevent overheating and damage. The system fan
rotations per minute (RPM) is monitored for timely failure detection. The
system voltage levels are monitored to ensure stable supply of current for
critical components.
Dual function power switch
While the system is ON, pressing the power switch for less than 4 seconds
puts the system to sleep mode or to soft-off mode, depending on the BIOS
setting. Pressing the power switch for more than 4 seconds lets the
system enter the soft-off mode regardless of the BIOS setting.
ACPI ready
The Advanced Configuration power Interface (ACPI) provides more energy
saving features for operating systems that support OS Direct Power
Management (OSPM).
Auto fan off
The system fans power off automatically when the system is in sleep
mode. This feature reduces both power consumption and system noise.
Chassis intrusion detection
The motherboard supports chassis intrusion monitoring through the ASUS
ASIC. A chassis intrusion event is retained in the system memory for more
protection.