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Old 05-25-07, 03:33 PM   #85
Xion X2
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Default Re: Kentsfield/Quad-Core Overclocking Thread

Quote:
Originally Posted by schuey74
BTW, congrats on you 2900XT. I'll be looking forward to seeing your results with it on water. I actually bought almost the same PS as you because I've seen all your posts and research on them (I got the 1000w). I bought it in anticipation of actually going crossfire. It looks like I'll probably wait for the next gen of cards, but if your results on water are exceptional I might give it a shot.
Thanks. I have a build log going over here if you haven't already found it. All the tubing is now routed and everything clamped, so as soon as I fill my coolant I'll give her a spin. Should have some benchmarks up later today.
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Old 05-25-07, 03:44 PM   #86
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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Originally Posted by Xion X2
Thanks. I have a build log going over here if you haven't already found it. All the tubing is now routed and everything clamped, so as soon as I fill my coolant I'll give her a spin. Should have some benchmarks up later today.
I've been following your thread this week. I hadn't looked today, but I definitely will tonight to check out some of your early results.
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Old 05-25-07, 04:29 PM   #87
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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Originally Posted by schuey74
I've always believed that stability is relative to the user. If a system is 100% stable for what you do on it then nothing else matters. Just don't go bragging online about your stability when you know the standard for stability is running programs like orthos for long periods of time. There are a lot C2D systems out there that are 100% stable for gaming and not Orthos or TAT stable. The reason being obvious, most games are only single threaded and even those that are multithreaded hardly use the second core at all (I know there are a couple exceptions like SC & FSX SP1). The CPU is no where near the same level of stress or heat and consequently you can run it faster and be 100% stable while gaming. My old prescott 3.0 @ 3.7 crashed prime immediately, but the CPU dual-folded and gamed nonstop with never a crash so that's how I ran it at.

The above is the long version of yes, watercool it. Based on the rough numbers you laid out I'd say you could get low to mid 50s(c) orthos load w/ a 2x120 thermochill rad and the GTX wb @ 3.6. I would expect your general windows and business apps use temps to be in the low 40s or even better. Whether or not this will be orthos stable remains to be seen.....
I sincerely appreciate your time and articulate examples.

The cost of a water setup isn't onerous. With the triple-rad Thermachill (which if I'm doing this I might as well go for the motherlode) it comes out to ~$500Cdn.

Last query before the long weekend - is there any way to configure it so it isn't such a hassle to get the mb in and out without having to drain it with all the associated wasted time or is this simply a cost of doing business?
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Old 05-25-07, 04:39 PM   #88
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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Very good idle temps man.

Those 59C, is that at 100% load with 3.2GHz?
Thanks. And yes that 59C is with 100% load at 3.2GHz.
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Old 05-25-07, 04:42 PM   #89
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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Originally Posted by schuey74
And an fyi, if your watercooling temps are hitting 60C or above then you're probably endangering your pump. Remember that that same water has to cool the pump and most don't like temps above 55c/60c.
The water in the loop is nowhere near the temp of the CPU. It's probably around 30-35C. If that. If it was the same temp as the CPU then there would be no heat transfer and thus no cooling....
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Old 05-25-07, 05:59 PM   #90
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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Originally Posted by einstein_314
The water in the loop is nowhere near the temp of the CPU. It's probably around 30-35C. If that. If it was the same temp as the CPU then there would be no heat transfer and thus no cooling....
Yes, you are right in that the water is no where near that high temp, but it's not 30 - 35c either. If you've got a video card on your loop then you can estimate your water temps very easily. Fully load your cpu and see what temp your video card idle goes up to - your water temp will be within a few degrees of that. Those are the results I've seen over the past six or seven years of watercooling when monitoring temps. When I load my cpu @ 3.6 with orthos my video card idles @ 47c, @ 3.2 it idles @ 43c. My pump is rated @ 50c and I don't think it's a good idea to run it constantly just four to six degress below that. I fold, so my rig is at 100% full load nearly 24/7/365. If your PC is idle more often than not and you're only stressing it a few hours of the day during gaming or similar activities then your pump wouldn't be exposed to the higher temps nearly as much as mine. And if there's one component in my case I don't want failing, it's my pump.
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Old 05-25-07, 06:05 PM   #91
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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Originally Posted by mhw100
I sincerely appreciate your time and articulate examples.

The cost of a water setup isn't onerous. With the triple-rad Thermachill (which if I'm doing this I might as well go for the motherlode) it comes out to ~$500Cdn.

Last query before the long weekend - is there any way to configure it so it isn't such a hassle to get the mb in and out without having to drain it with all the associated wasted time or is this simply a cost of doing business?
I run the loop in an empty case and after verifying there are no leaks I put in all the components. I just use temporay zip-ties to hold the waterblocks and tubing out of the way while I install everything.
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Old 05-26-07, 10:58 AM   #92
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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Originally Posted by slaWter
Try Everest Ultimate.
Probe II and Ultimate are equal I've found. Core temp also gives the same as Everest for the individual cores.

Key is to get more air in the case I think. You can see my temps in a previous post. Ambient ~21C for them.

I'm going water but have also ordered the Ultra Extreme which was a mistake given that thermalright now has a supposedly better one the IFX.
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Old 05-26-07, 11:38 AM   #93
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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There's always something better around the corner... It's the way of it.
I figure if the part I just bought isn't replaced by something better and cheaper in 30 minutes post purchase, I've been very lucky. Needless to say I'm not lucky very often
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Old 05-26-07, 12:32 PM   #94
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Default Re: Kentsfield/Quad-Core Overclocking Thread

Maybe he's considering "load" as something different. True "load" is only understood through running Orthos/Prime w/ small FFTs or Intel TAT.
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Old 05-26-07, 02:05 PM   #95
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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Originally Posted by slaWter
There was a BIOS update for the 680i boards with an "improved" temp sensor. The BIOS sensor, which is the reference for the ASUS tool and Everest, reported higher temps after that update. Maybe that's why there is such a huge temp difference between the Zalman 9500 and the Extreme... I don't know if ASUS updated the temp sensor or not.

I don't expect the IFX to be better than the Extreme. The IFX is meant for passive cooling. Plus it only features 4 heat pipes.
Oh, oh. That might be the difference. I'm actually thinking of dumping the Asus because you can't get a quad to get a fsb>333 at least on mine regardless of the multi. The HD tach results are screwy too. Plus they don't have the reference board - its there own deal. Thinking of the evga a1 revision which fixed the quad oc problem and i think the HDD problem as well.

I thought i saw a pic of the ifx with 2 fans on it - one on the side and one in between. the ultra can be used passively as well but why would you want to.

there is a beta bios update that came out last week - maybe that fixed it. still, it did run on orthos for hours and memtest.
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Old 05-26-07, 02:06 PM   #96
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Default Re: Kentsfield/Quad-Core Overclocking Thread

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Originally Posted by Xion X2
Maybe he's considering "load" as something different. True "load" is only understood through running Orthos/Prime w/ small FFTs or Intel TAT.
see my previous post - sounds like asus/everest might have had the temps wrong but even still it ran for hours at 3.44 on blended orthos. I didn't run it at small fft - probably should though. At 3.6ghz it runs for 2 minutes and watching probe/everest I see when it shuts down - right at 65c which would suggest that both tools are accurate...dunno.
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