ASUS EZ Flash BIOS

With the ASUS EZ Flash, you can easily update the system BIOS even before loading the operating system. No need to use a DOS-based utility or boot from a floppy disk. See details on page 4-1.

ASUS Q-Fan feature

The ASUS Q-Fan technology smartly adjusts the fan speeds according to the system loading to ensure quiet, cool, and efficient operation. See details on page 4-32.

1.3.2 Value-added solutions

Overclocking

The P4B533 overclocking features:

•adjustable CPU frequency multiple in BIOS using the ASUS JumperFree™ solution

•adjustable FSB/DDR ratio

•fixed AGP/PCI frequencies

•adjustable CPU VCORE , and DDR memory and AGP voltages

•Stepless Frequency Selection (SFS) for fine-tuning system bus frequency from 100MHz up to 200MHz at 1MHz increments

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 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.

1-4

Chapter 1: Product introduction