Q9550 Overclock

[mmorpheus1]

Also whats loadline calibration and Spread Spectrum?


It says that the CPU is clocked at 2.6GHz with a x6.0 Multipler when obviously its clocked at 3.4GHz x8 multipler on CPU-Z and Everest?

if you go into the bios, under extreme tweaker there are options for 'cpu and pcie spread spectrum, disable these for a more stable overclock. you will also find loadline calibration there as well, i have it disabled as i have read that with 45nm cpu's it can make the overclock unstable, on 65nm cpu's it helps the overckock????

if you go to the advanced option in the bios and then into cpu configuration you will see an option for C1E support , this option is what changes the multiplier down to x6 when the cpu is idle, if you disable it your cpu will stay at you overclocked state all th time

 

[osullivanpt]

Take a look at your northbridge and southbridge voltages and temps and compare them to mine you will see what i mean about more volts more heat.

You can just use the level up option but like i said the rampage tends to overvolt.

using the readings you have got off everest, set it all manually in the bios and gradually reduce the voltages one at once testing for stability sa you go, the lower you get the voltages, the cooler it will run.

also if you are using stock coolers i recomend buying a decent aftermarket one, there are plenty on ocuk

Thanks i'll give that a go i'm not using a stock cooler i'm using a tuniq tower
Do you think my cpu temps are high?

 

[mmorpheus1]

Thanks i'll give that a go i'm not using a stock cooler i'm using a tuniq tower
Do you think my cpu temps are high?

cpu temps look fine it idle , what do they get up to under load??

like i said before if you are happy with the overclock you have try bringing the cpu core voltage down a notch at a time and testing for stability and your temps will come down

 

[osullivanpt]

i ran occt and the max temps in there were 69

 

[tmaxxthomson]

what do i need to do to be stable at 4.0ghz? it passes intel burn test but i get random complete system freezes sometimes, im on watercooling so temps are not really an issue, im on an x38 maximus board. please help. thanks

 

[mmorpheus1]

what do i need to do to be stable at 4.0ghz? it passes intel burn test but i get random complete system freezes sometimes, im on watercooling so temps are not really an issue, im on an x38 maximus board. please help. thanks

could be your motherboard limiting you on your fsb , if you up the fsb you will need to increase the nb volts, easiest way to check if it is the motherboard is to lower the multi and increase the fsb to find the fsb limit of your board.

dont increase the volts to your nb by too much or it will cost you the price of a new motherboard, 3.6 is a good overclock anyhow, me thinks you are just being greedy

if you do get up to 4Ghz check the temps , mine will do 4Ghz but its a bit toasty (i am on air) so i have dropped it back to 3.6

 

[tmaxxthomson]

heyy. thanks for that!! got it at 4.0GHz and it seems stable now!! (touch wood) its been running for 30 hours folding on all cores, it would usually freeze after a few hours. ive got a yate loon on the side of the case cooling the NB and its nice and cool at 38 degrees! CPU is 37 degrees at idle and under 100% load (folding) its about 55 degrees and up to about 70 degrees in intel burn test. but its 100% stable in that. im on water. what would u say is a safe NB voltage? i hope i aint giving it too much juice! Thanks. 4.0GHz. wooo!

 

[XeNoN89]

heyy. thanks for that!! got it at 4.0GHz and it seems stable now!! (touch wood) its been running for 30 hours folding on all cores, it would usually freeze after a few hours. ive got a yate loon on the side of the case cooling the NB and its nice and cool at 38 degrees! CPU is 37 degrees at idle and under 100% load (folding) its about 55 degrees and up to about 70 degrees in intel burn test. but its 100% stable in that. im on water. what would u say is a safe NB voltage? i hope i aint giving it too much juice! Thanks. 4.0GHz. wooo!

The voltage on the CPU is too high for a 45nm realy.

 

[tmaxxthomson]

thanks

ahh. u think so? what voltage would u think is ok for it then at that frequency? and any idea what a safe NB voltage is? Thanks

 

[JHONO]

here u go

got everest running , if you look on the sidebar you can get all voltages and fsb settings

Hi m8 Changed my Voltages to what i think, and ran prime 95, was stable at these settings (shown below) for 6 hours till i got an error and the computer rebooted. Is 6 hours enough to prove its stable?




Also my voltage is set to 1.21250V in the BIOS but its says only 1.8 on CPU-Z and everest? is this something to do with Vdrop or Vdroop? how do i sort this?

Thanks

 

[mmorpheus1]

Hi m8 Changed my Voltages to what i think, and ran prime 95, was stable at these settings (shown below) for 6 hours till i got an error and the computer rebooted. Is 6 hours enough to prove its stable?




Also my voltage is set to 1.21250V in the BIOS but its says only 1.8 on CPU-Z and everest? is this something to do with Vdrop or Vdroop? how do i sort this?

Thanks

Thats vdroop , also when you are under load your voltage will drop a little , thats why you get the reboot, you can either take the vcore voltage up 1 more notch or try enabling loadline calibration in the bios, if you do the latter keep an eye on voltages and temps as i have read it can overvolt and cause an unstable clock.

read here about unstable rampage board with llc enebled

http://www.xtremesystems.org/Forums/showthread.php?t=189507

 

[JHONO]

Hi m8 thanks for your reply. I have LLc on now for about an hour and so far no crashes ect. I think il be turning it off soon after reading that artical.

Anyways with LLC disabled, i tested my system with prime 95 and it was stable for 6 1/2 hours before it rebooted, VDROOP was apauling it dropped from 1.8V to 1.5 underload even though its set to 1.2125 in the BIOS which as you say probably caused the computer to reboot.

Is 6 1/2 hours decent for stability even though LLC is off, i think it will be more stable now after that than enabling it and getting BSOD's?

Also took note of some of the voltages off your screen shot, they aint that high are they which is good? Even though youve got LLC off is your computer stable?

Thanks

 

[mmorpheus1]

Also took note of some of the voltages off your screen shot, they aint that high are they which is good? Even though youve got LLC off is your computer stable?

Thanks

Yep it runs stable, had prime95 running all night for around 12 - 13 hours. Must just have a good chip It runs stable at 4Ghz but it runs a bit warmer
cos i am on air in an antec 900 case. 3.6Ghz is ok for what i want, I aint greedy

 

[JHONO]

Cool. Just dont get how you dont use LLC and your voltage is 1.2V Do you not even suffer from any VDROOP what so ever?

So far Prime 95 has gone 8 hours stable with LLC enabled. Surely you must have your idle voltage set high in the BIOS then it VDROOPS to 1.2. I thought this was a problem in all Rampage formula motherboards?

Thanks

 

[mmorpheus1]

Cool. Just dont get how you dont use LLC and your voltage is 1.2V Do you not even suffer from any VDROOP what so ever?

So far Prime 95 has gone 8 hours stable with LLC enabled. Surely you must have your idle voltage set high in the BIOS then it VDROOPS to 1.2. I thought this was a problem in all Rampage formula motherboards?

Thanks

vcore in bios is set to 1.26250v , Nb in bios set to 1.39v, Dram in bios set to 1.98v.

so i do get some vdroop (0.03v roughly)

under full load my vcore goes down to 1.19v in everest , but at 3.4Ghz it runs fine and i can run prime95 all night with no errors.

However, if i clock higher i have to take the vcore up quite a lot to get it stable, cant remember what i had it upto but the four cores were hitting 68c on full load, so i backed off to 3.4Ghz and low temps.

 

[JHONO]

Hey yeah i see what you mean. My voltage is set to 1.212V in the BIOS with LLC enabled, it shows as 1.2000 on everest, so theres still a bit of VDROOP.

Thing is with LLC it sticks to 1.2000 idle and load, its pretty good, also ive had no blue screens whilst idle with LLC enabled as this was a common problem. 15 hours prime stable with it as well

Seems its not all bad after all. VDROOP is almost eliminated, although im still watching the computer when its idle to make sure im there if theres a problem.

Thanks