Brand new GA-MA78LM-S2 won't boot

i just bought GA-MA78LM-S2 with AMD athlon x3. i connected the 24pin power supply and 12v lines from 700w ps (tried with 430w ps as well) . i see cpu fan spinning. but no beeps nothing. i installed one stick of 2G patriot DDR2 800 mem. nothing else is installed. i don't see anything on video. what could be wrong? thanks

except the case, everything is brand new. i connected my monitor to vga port on mb.

i didn't connect keyboard or mouse or harddisk or cddrive. its bare system and i can't get any video out. in default config does video come on both vga/dvi-d outputs or only on one of them? this is really puzzling.

how do i isolate the issue? if i can prove that mobo is bad, maybe i can ask frys to replace it.

appreciate your help.

thanks
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  1. I too am looking at this board but i'm doing my homework first, you know looking for reviews, and i seen this one. I don't think its the board its the 2gb stick of ram see here http://www.gigabyte-usa.com/Support/Motherboard/CPUSupport_Model.aspx?ProductID=3189#anchor_os for DDR2 800 the max for patriot is 1gb stick
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