mattbuck Posted August 3, 2010 Share Posted August 3, 2010 Hi I have a Q9550 overclocked at 3.8ghz, but my Corsair XMS2 800mhz is giving me rounding errors in prime 95 when overclocked to 900mhz with volts of 2.1 and timings of 5-5-5-18. I'm currently using an Asus P5Q. I have limited knowledge of overclocking so would appreciate some tips. If needs be ill have to upgrade to Corsair 1066mhz ram but im hoping to avoid that if i can just get 900mhz stable. Link to comment Share on other sites More sharing options...
Yellowbeard Posted August 3, 2010 Share Posted August 3, 2010 Since you are OCing the memory controller, try increasing the voltage to your memory controller if you have not already done so. 1-3 steps above the stock setting may do it. Link to comment Share on other sites More sharing options...
mattbuck Posted August 3, 2010 Author Share Posted August 3, 2010 Since you are OCing the memory controller, try increasing the voltage to your memory controller if you have not already done so. 1-3 steps above the stock setting may do it. Would that be the northbridge? Link to comment Share on other sites More sharing options...
Yellowbeard Posted August 3, 2010 Share Posted August 3, 2010 Yes, memory controller aka north bridge aka MCH aka memory controller hub. Link to comment Share on other sites More sharing options...
mattbuck Posted August 10, 2010 Author Share Posted August 10, 2010 Thanks for your help. However i require more helps please if thats ok. I just bought 2v2gig sticks of corsair 1066mhz to replace my old ones. Ok, i want to run my Q9550 @3.8ghz. I have my FSB @ 444mhz cpu volts @ 1.1.5 all stable. However the memory which is running t 1069mhz is reporting errors in prime. This is at 2.2 volts. I have just tried bumping the northbridge up to 1.30 but the prime blend test errors still occur. Link to comment Share on other sites More sharing options...
Synthohol Posted August 10, 2010 Share Posted August 10, 2010 check out my cpu-z link, i set my divider to 5:6 and set the ram to 500Mhz and the CPU to 417x9 for 3.754Ghz but i do have the CPU voltage @1.536 which helped alot. you would need 9x423 for 3.8 i dont know your CPU divider for that quad but maybe it will let you try 9? i guess it depends on your boards BIOS. Link to comment Share on other sites More sharing options...
mattbuck Posted August 10, 2010 Author Share Posted August 10, 2010 What should my exact bios settings be for corsair 1066mhz. I could have sworn the volts on the box said 2.2 Either way i have it auto, i should probably configure the manual speed settings though, for now i have it on auto and rock solid stable @ 1066mhz. http://img44.imageshack.us/img44/4712/30614396.jpg Uploaded with ImageShack.us Link to comment Share on other sites More sharing options...
mattbuck Posted August 11, 2010 Author Share Posted August 11, 2010 Sorry but bump. Link to comment Share on other sites More sharing options...
Yellowbeard Posted August 11, 2010 Share Posted August 11, 2010 the volts on the box said 2.2 Either way i have it auto, i should probably configure the manual speed settings though, for now i have it on auto and rock solid stable @ 1066mhz. The voltage is printed on the module. For 1066 kits it will either be 2.1v or 2.2v. Since it is rock solid stable, I would suggest leaving it alone. Link to comment Share on other sites More sharing options...
mattbuck Posted August 12, 2010 Author Share Posted August 12, 2010 I was talking more about the timings. Now i have the northbridge running at 1.40 things seem rock stable. I just wanted to make sure my timmings are as fast/tight as they should be. Link to comment Share on other sites More sharing options...
Yellowbeard Posted August 12, 2010 Share Posted August 12, 2010 The timings look great to me in the screenshot. They are also printed on the modules. Link to comment Share on other sites More sharing options...
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