OK, got it, yes its a Asus mobo, but it must not be rettail vesion, it must have come in some PC (Pre-Built etc) thtas why a little change in the model number:
but as base is same, so it'll suppport what Asus' own retail versioj suports:
and specs are:
FSB for Processor: 533/400
RAM: DDR up to 4GB (PC3200, PC2700, and so on) Non-ECC, Un-buffered Memory
integrated LAN and AUdio
* will not support C series Northwood P-4's with 800FSB