i have an saphire ati radeon x1950xt and after a while my pc just reboots when playing high end games. i think it is an heat issue because i have a really ugly standard family case. but i was wondering if it could also be a power issue (or can't cool good enough because lack of power) because i read that it was quite a power hungry card.
the weird thing is that this problem didn't occur like after half year of using this system.
system:
core 2 duo E6600
gigabyte 965P-DS3
DDR 2 mem (PC2-6400) (2x 1024MBytes)
cooler master 430 W i green power
HD: samsung spinpoint (T166?) 500gb
With your setup you need a power supply with 23 amps on the 12v rails.
If you are getting reboots test the memory with memtest86+ check your temperatures. Try taking the side of the case off and pointing a fan at the computer. Otherwise I think it's the power supply failing.
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