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Safe 24/7 vcore for my Phenom II x3 705e? - Page 2

post #11 of 22
I stick to 1.5-ish out of BIOS for 24/7, but it's heat that is more important to watch. Depends on what you want out of the machine, if it's your gamer and you want to max, 1.55.
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post #12 of 22
Quote:
Originally Posted by moedank View Post
caleb, when you mention "nb" are you referring to the "CPU NB VID Voltage" or "NB Voltage?" My motherboard has both settings.

I've been using Prime95 for stressing.
Well, I upped both a couple bumps for me personally...start with CPU NB, I'm not sure how high you should go, the highest for my proc is 1.300 I don't know how much +.xxx that is. Honestly I have stressed and passed prime95 12+ hours and then ran linx and had it error in less than 5 mins. I think that game can go either way. So use a little of both. I personally like Linx because of how much ram it uses when stressing. I have 8GB and it stresses a good 7.5+ prime on the other hand only touches 3.0 tops. I know I am doing a blend test but still. Just do a little of both, I would say 50 runs of linx and 6-8 hours of prime would be best. That means you run 50 of linx and then 6-8hrs of prime afterwards. If you pass that I think you will be fine. Who is going to throw that much stress at a PC in what would equate to 12 hours. This whole overnight testing thing is a bit crazy though that is when I test linx, but it is on a set number of cycles so it doesn't take all night. I like to actively watch my computers progress.
post #13 of 22
Quote:
Originally Posted by 2thAche View Post
I stick to 1.5-ish out of BIOS for 24/7, but it's heat that is more important to watch. Depends on what you want out of the machine, if it's your gamer and you want to max, 1.55.
I wouldn't neccessarily say if you are a gamer you want 1.55, I am a gamer and I run at 1.47 I am perfectly fine with a 3.85GHz OC and I would rather have this proc be resalable later on, or at least last a while in another machine. I mean is that extra .1-.2ghz you can squeeze out once you almost hit the wall of your proc worth the lost of life to it, or a mobo? I don't really see it.
post #14 of 22
Don't up the NB volts, not safe.
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post #15 of 22
Quote:
Originally Posted by Devilmaypoop View Post
Don't up the NB volts, not safe.
Are you sure, I don't know about the Phenom x 3's but it says it is ok for my phenomx6 on the OCN overclock guide, that is what I initially followed.
post #16 of 22
NB voltage rarely needs touched. NB voltage is the voltage actually applied to the northbridge, something that isn't really going to help you. CPU-NB voltage on the other hand, is the voltage that is applied to the CPU's memory controller. Raising this higher can help stabilize higher frequency RAM or a higher NB frequency. The max safe voltage for this is the same as the CPU core, so I would say 1.55v although you shouldn't need it that high. Probably around 1.45v (or even less, say around 1.35v - 1.4v) should help you out.
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post #17 of 22
I don't think my mobo has CPU/NBv. :/ is that possible?
post #18 of 22
I know you can only adjust the NB multiplier with black edition CPUs, so perhaps you need a black edition CPU to adjust the CPU-NB voltage. I mean if it's not in the bios there is nothing you can do about it. Maybe flashing to the latest bios would help but I really doubt it.
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post #19 of 22
Yeah I'm don't have a BE processor. So that must be it. Well I was just curious. Thanks.
post #20 of 22
Thread Starter 
Quote:
Originally Posted by Dopamin3 View Post
I know you can only adjust the NB multiplier with black edition CPUs, so perhaps you need a black edition CPU to adjust the CPU-NB voltage. I mean if it's not in the bios there is nothing you can do about it. Maybe flashing to the latest bios would help but I really doubt it.
I know this option isn't BE specific because my CPU is multi locked and my BIOS has it. I believe its mobo specific. Don't know why some have it and some don't.
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