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post #31 of 41
Shouldn't your DRAM voltage be closer to 1.65v? I know my Dominators don't like anything under 1.64v.
post #32 of 41
Quote:
Originally Posted by mongoloid View Post
Shouldn't your DRAM voltage be closer to 1.65v? I know my Dominators don't like anything under 1.64v.
Well that depends of the type you have, some take 1.55v some are 1.65v. I had a pair of both. But since he has corsair ram. They should be 1.65v. Bios will be 1.64v or 1.66v should be fine. Plus having all the ram slots occupied is very demanding for overclocking. It's triple channel... 2gb:2gb - 2gb:2gb - 2gb:2gb it would be best to have 0:4gb - 0:4gb - 0:4gb. Have you tried removing 6GB and then try to overclock?
    
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post #33 of 41
Thread Starter 
It's not dominator ram. The closest I can find is this. Part number from the SPD table for these modules is CM3X2G1600C9. I'd like to keep all the sticks in, but I'll pull three if I have to.

This is an odd kit for corsair. Most of their kits list 1.65 as the spec voltage, but this 12G kit lists 1.6 and that's whats in the SPD table as well. I've got a 70mm fan blowing on the sticks right now to get some air flow, and this might have helped.
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post #34 of 41
Thread Starter 
Looks like I need to chime in an get into a few clubs

Obsidian Club
H50/H70 Club
GTX570/580 Club
I already posted in the EVGA x58 Classified club, so I need to find the tag for it.

Anything on where to get a 800D 5.25 bay plate?
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post #35 of 41
Since my last post wasn't exactly the right question to ask, I am gonna ask another one.
I want to know if anyone know how to get the multi to stay at 25x, because here is what I am experiencing. If I set it manually 25x in BIOS in CPU-Z it will go back to 24x, but if I set it to auto it will only stay at 25x at certain BCLK.
Anyone can help me with that?
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post #36 of 41
Thread Starter 
Quote:
Originally Posted by KeymaN View Post
Quick question guys, ( btw I m new in here! )
What do you guys use for stability test?
Seems like everyone is using different programs to test stability, so I would like to know if my rig is actually stable or not! Thanks!
Generally Prime95 is my most recommended program.

For me, the ultimate test is Folding@Home. I would not recommend this as a stability test though. Like has been discussed in this thread my "stable at 4.whatever" OC is not working on folding@home. I was running Prime95 at 4.2GHz last night, and I can't run folding@home at 4.1GHz. It's not as hot, it doesn't seem as demanding, but if you absolutely have to be STABLE nothing else will find instability like folding. It has a decent demand on the RAM, NB and it loads the heck out of the core. Your temperatures will be about the same as a "blend" run of Prime95. But then I could run Prime95 for an hour without error, and could not fold for 15 minutes without erroring out on a client.
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post #37 of 41
Thread Starter 
Quote:
Originally Posted by KeymaN View Post
Since my last post wasn't exactly the right question to ask, I am gonna ask another one.
I want to know if anyone know how to get the multi to stay at 25x, because here is what I am experiencing. If I set it manually 25x in BIOS in CPU-Z it will go back to 24x, but if I set it to auto it will only stay at 25x at certain BCLK.
Anyone can help me with that?
The intel spec on this CPU is a "24x" multiplier.

thats it.

25 becomes available in "on-demand" situations as part of intel's "Turbo" function. If your mainboard can force "turbo" to be enabled at all times that would mean that the first 2 cores will be at a 26x multiplier and the remaining cores will be at 25x. When I overclock, I don't want to twiddle and fight to get this additional multiplier. I just disable turbo, heck with a multiplier of 24x I can't imagine that I can excede those kind of frequencies on the QPI and need 25x.
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post #38 of 41
Quote:
Originally Posted by jfb9301 View Post
Generally Prime95 is my most recommended program.

For me, the ultimate test is Folding@Home. I would not recommend this as a stability test though. Like has been discussed in this thread my "stable at 4.whatever" OC is not working on folding@home. I was running Prime95 at 4.2GHz last night, and I can't run folding@home at 4.1GHz. It's not as hot, it doesn't seem as demanding, but if you absolutely have to be STABLE nothing else will find instability like folding. It has a decent demand on the RAM, NB and it loads the heck out of the core. Your temperatures will be about the same as a "blend" run of Prime95. But then I could run Prime95 for an hour without error, and could not fold for 15 minutes without erroring out on a client.
Thanks for the reply! Really needed some feedback because I do not want when I m rendering some HD movies or converting some crazily big picture files, and POOF! BSOD! and some files went corrupted after reboot.
So is IBT good enough? or which stress level and how many tests do I need in order to know if it is stable enough for lets say good 3-4 hours of work? (ya I know I need more RAM, so I can save some more time, but Dominator GT aint cheap lol)

Quote:
Originally Posted by jfb9301 View Post
The intel spec on this CPU is a "24x" multiplier.

thats it.

25 becomes available in "on-demand" situations as part of intel's "Turbo" function. If your mainboard can force "turbo" to be enabled at all times that would mean that the first 2 cores will be at a 26x multiplier and the remaining cores will be at 25x. When I overclock, I don't want to twiddle and fight to get this additional multiplier. I just disable turbo, heck with a multiplier of 24x I can't imagine that I can excede those kind of frequencies on the QPI and need 25x.
So here is another question, is it (ever) true that the CPUs doesnt like even number multi? I would like to see what is the highest speed this baby can pull beside it hit the wall (not gonna keep it at that speed but just wanna see it )
Edited by KeymaN - 1/12/11 at 2:41am
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post #39 of 41
Thread Starter 
Quote:
Originally Posted by KeymaN View Post
So is IBT good enough? or which stress level and how many tests do I need in order to know if it is stable enough for lets say good 3-4 hours of work?
The only way to know you are stable doing the work is to do the work. You could run Prime95 for a week straight without crashing if you wanted to, if you couldn't complete your 3-4 hours of rendering, that is not stable. It's all a judgment call, and the true test is the real life run of the work you built the computer for.
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post #40 of 41
Thread Starter 
Looks like temperature contributed to the instability. As long as I kept all but the hottest core <70C, I can complete a WU. So now to upgrade to an H70 to get me a bit more cooling.

I wonder if I can start upping my RAM settings and get some more memory bandwith out of this rig.
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