how do i check system is running stable?
' ">http://www.mersenne.org for atleast half an hour or better yet, run it overnight - if you don't get any errors your system is pretty stable.
Additionally, i recommend you run 3DMark 2K1/2K3 or play your favorite 3D game for an hour or two - videocards can eat lots of power...QUOTE
and what the [content edited] are my rails?
Your powersupply provides power in 'rails' of +/-12V, +/-5V and +/-3.3V as well as 5VSB(Stand-by power) to your motherboard...each voltage (like +12V for example) is called a rail and each rail has a +/-5% tolerance, so your +12V rail should be within 11.4-12.6V. If it is below 11.4V, your powersupply is most likely too weak.
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AMD Athlon 64 X2 6000+ 89W :: Asus M2N32SLI Deluxe :: 2x1024MB Muskin XP2-6400 DDR2-800 :: BeQuiet! Darkpower Pro 530W :: 2x WD Raptor 74GB/10k rpm, RAID 0 :: ATI Radeon X1950XTX