atx mobo that isn't atx

[Hugo Vanwoerkom <hvw59601@care2.com>]

Hi,

In the process of installing asus M4N98TD EVO ATX mobo, I discovered 
that the one I am replacing, an Epox 8VTAI, says it's ATX but it isn't: 
it's 305mmx210mm and that is nothing that I recognize.

Hugo