this is so far what i've used.....
for the psu......the 1st was the generic 500watts....den followed by imaster 550watts den imaster 600watts then the last was hec 550watts....all would produce the same result....suddenly turn off.....
2nd i replace the processor with 2.4ghz/2.6ghz/3.0ghz/3.2ghz still same result...turns off suddenly
3rd tried to use diffent kinds of memories from alexa/ramos/kinston/samsung to noo avail...turns off still
4th i even place a high end termal paste purchase from G.I. still turns off....
im running out of options........my mind is saying board problem.....