Ok so here it goes. I cannot for the life of me get my 2600k completely stable at 4.5ghz on a Gigabyte Z68XP-UD4 with the F5 Bios. I couldn't do it with F4 either. When I say stable I mean Prime stable. I am completely stable while gaming, browsing, benchmarks, etc. But I continue to recieve error codes in prime 
For some reason the 2 most errors that I get are at the beginning of the test it will usually say (could not detect some of the hyperthreaded CPU's and therefore overide should be accurate bla bla bla). I get this error even at stock settings. The next one is (rounding was 0.5 and was expected 0.4) or something to that effect. What I am trying to figure out is whether it is my RAM or my cpu that is causing these errors?
At 4.5 ghz using 1.3Vcore the PC will boot into windows and be completely stable running everything I do except Prime. At 1.3V it will usually throw a rounding error at the 5-10 minute mark. The odd thing is adding more voltage does not seem to increase stability the way it should if it was the volts. What I mean is that it does not scale well at all wit the amount of voltage added vs the amount of time prime will run w/o a rounding error. For instance; jumping from 1.3Vcore under load to 1.34Vcore under load still seems to error in Prime after about 15-20 minutes. I even increased Vcore to 1.365V under load and will still get a rounding error at the 15-20 minute mark. Often times sooner. This has me wondering if it really is my Vcore that is the culprit. Also it seems that no matter what, even increasing the Vcore to 1.365V still throws out the(could not detect some of the hyperthreaded CPU's) error.
My RAM the way it sits is on XMP profile 1 with the (standard) performance enhance selected. From what I have researched online it seems that these Z68 Gigabyte boards need a little more tweaking than boards with the now standard UEFI bios. I figure if I can load into windows and start gaming and browsing and playing music etc. @4.5ghz with only 1.3Vcore there is no way in hell this chip needs a jump all the way to 1.37V just to be stable.
Please if anyone can help me because this is really really bugging the heck out of me not having a completely stable system. I bought a 2600k and dammit 4.5ghz should be no sweat. And the board has an excellent solid 18 phase VRM so there shouldn't be any issues. I thank all those willing to reply and have a great day
For some reason the 2 most errors that I get are at the beginning of the test it will usually say (could not detect some of the hyperthreaded CPU's and therefore overide should be accurate bla bla bla). I get this error even at stock settings. The next one is (rounding was 0.5 and was expected 0.4) or something to that effect. What I am trying to figure out is whether it is my RAM or my cpu that is causing these errors?
At 4.5 ghz using 1.3Vcore the PC will boot into windows and be completely stable running everything I do except Prime. At 1.3V it will usually throw a rounding error at the 5-10 minute mark. The odd thing is adding more voltage does not seem to increase stability the way it should if it was the volts. What I mean is that it does not scale well at all wit the amount of voltage added vs the amount of time prime will run w/o a rounding error. For instance; jumping from 1.3Vcore under load to 1.34Vcore under load still seems to error in Prime after about 15-20 minutes. I even increased Vcore to 1.365V under load and will still get a rounding error at the 15-20 minute mark. Often times sooner. This has me wondering if it really is my Vcore that is the culprit. Also it seems that no matter what, even increasing the Vcore to 1.365V still throws out the(could not detect some of the hyperthreaded CPU's) error.
My RAM the way it sits is on XMP profile 1 with the (standard) performance enhance selected. From what I have researched online it seems that these Z68 Gigabyte boards need a little more tweaking than boards with the now standard UEFI bios. I figure if I can load into windows and start gaming and browsing and playing music etc. @4.5ghz with only 1.3Vcore there is no way in hell this chip needs a jump all the way to 1.37V just to be stable.
Please if anyone can help me because this is really really bugging the heck out of me not having a completely stable system. I bought a 2600k and dammit 4.5ghz should be no sweat. And the board has an excellent solid 18 phase VRM so there shouldn't be any issues. I thank all those willing to reply and have a great day
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