[CentOS] CentOS 4 on IBMX3200 M3

I tried to setup CentOS 4.7 on IBM X3200 M3 but i couldn't, isn't it compatible?
if so what's the CentOS 4 release that's compatible with IBM X3200 M3?

and should i install I386 or X86_64?

Thanks
 		 	   		  
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