[CentOS] Centos for entry level server : Motherboard?

[Alex @ Avantel Systems]

I've been burned by Sata not working on an Asus motherboard (nVidia / nForce) 
and need to select something that will work for a fairly light duty 
web/mail/sql server.  How do I go about finding out if a specific motherboard 
will work with sata software raid and Centos 4.4 (or 5.x when it's settled 
down). 

Cheers;

Alex V.

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