User Guide

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Memory
Provides three 184-pin DDR SDRAM DIMM sockets that support up to 2GB of PC-200/266 compliant DDR SDRAM
(Synchronous Dynamic Random Access Memory). You may install 64, 128, 256, 512Mb and 1Gb DDR SDRAM DIMM modules
into each socket.
Ultra DMA 33/66/100/133 Bus Master IDE
Comes with an on-board PCI Bus Master IDE controller with four connectors that support eight IDE devices, and support Ultra
DMA 33/66/100/133, PIO Modes 3 and 4 and Bus Master IDE DMA Mode 5. Besides, they also support Enhanced IDE
devices.
On-board AC’97 Sound
AX4B Pro-533 implements ALC650 AC97 sound chip. This on-board audio supports 5.1 channel and includes a complete audio
recording and playback system.
1MHz Stepping CPU Frequency Adjustment
Provides “1MHz Stepping CPU Frequency Adjustment” function in the BIOS. This magic function allows you to adjust CPU FSB
frequency from 100~248MHz by 1MHz stepping adjustment, and helps your system get maximum performance.
Watch Dog Timer
Includes AOpen “Watch Dog Timer” function that can auto-reset system in 4.8 seconds when you fail to system overclocking.