IRQ not less or equal 9800gt xp

[baharkhafan]

i recently bought a new computer , but i ran into BSOD problems
whan i play a game after about 5-10 minutes i got a BSOD saying that IRQL_not_less_or_equal
or sometimes : memory_management
or: faualt pages in nonepages area
but most of the time thee BSOD is IRQL_NOT_LESS_OR_EQUAL
i have changed my ram and also i installed diffrent version of windows ( XP, Vista , 7 ) but the problem didn't solved.
my system is :
cpu: c2quad 9400 6mb l2
VGA: asus nvidia en9800gt/1gb DDR3
ram : dual channel 2*2 GB crossair bus 1333 DDR3
motherborad: asus p5q3
power : green 545 real
sry for my bad english
HDD : sata 2 1.5 trabyte

plz help me find out what is the problem
sry for my bad enlish

 

[r_manic]

Have you made sure that you've used all the latest versions of the drivers in whatever version of Windows you've used?

 

[baharkhafan]

Have you made sure that you've used all the latest versions of the drivers in whatever version of Windows you've used?

yes in all version of windows first i used the default driver ant test the computer in game and i got BSOD , then I downloaded the last version of driver from the manufacture's site and i test it , bu i got BSOD again