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>>The Official ASUS P8P67/P8Z68 & P8Z68/GEN3 Series Owners Club>> - Page 506

post #5051 of 9343
Quote:
Originally Posted by iARDAs View Post

Thank you
I did a huge mistaking purchasing this version.
Anyway whats done is done.
I will either go with a 590 instead of 570 SLI or wait for a top of the line 6xx card...
Besides the fact that SLI is not recommended, this mobo will be quite good for a single card setup i assume?

I don't think I've ever seen a mobo that couldn't handle a single card setup biggrin.gif

Just make sure you have room in your case and you'll be fine.
post #5052 of 9343
I am about to take the plunge and purchase a P8Z68-V/GEN3 board but wanted one question answered.

I want to use both the onboard video and my PCI-E video card together. I don't mean this new fangled way of doing it (Lucid Virtu feature), I mean I want to hook up 2 monitors to my PCI-E video card and 2 monitors to the onboard video card for a 4 monitor display. I know I can buy the new 6 series eyefinity cards and do this but I want to keep my old card until the 7 series cards are out and in the mean time I want to have 4 displays. Anyone have an answer?

I have been searching for hours to the answer of this question. I even browsed the P8Z68-V/GEN3 manual and could not find a definitive answer.
post #5053 of 9343
Quote:
Originally Posted by aliatgb View Post

I am about to take the plunge and purchase a P8Z68-V/GEN3 board but wanted one question answered.

I want to use both the onboard video and my PCI-E video card together. I don't mean this new fangled way of doing it (Lucid Virtu feature), I mean I want to hook up 2 monitors to my PCI-E video card and 2 monitors to the onboard video card for a 4 monitor display. I know I can buy the new 6 series eyefinity cards and do this but I want to keep my old card until the 7 series cards are out and in the mean time I want to have 4 displays. Anyone have an answer?

I have been searching for hours to the answer of this question. I even browsed the P8Z68-V/GEN3 manual and could not find a definitive answer.

I'm not entirely sure that you will be happy with the performance. Here's how another OCN member did it.

http://www.overclock.net/t/1021966/solved-four-monitors-sandy-bridge-z68-plus-8800gt

Note that he had one monitor on the on-board DVI, one monitor on the on-board HDMI with a DVI adapter, and 2 monitors on his video card. The main monitor is served by his video card and the other three are expanded.

I'm not entirely sure if he's going to get game-quality framerates with this setup. You might PM him.
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post #5054 of 9343
Just subscribed, And a few questions to a I5 2500k oc question. Just finished a build, and reviewed the first few pages, I was wondering if there were any limitations. I've read don't exceed 1.55 for voltage was wondering if temperatures are really good can you break that rule, as the same for x multiplier and fsb, is there any limit. Would appreciate any help. I love my new system don't want to break it.






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post #5055 of 9343
Quote:
Originally Posted by Petey View Post

Just subscribed, And a few questions to a I5 2500k oc question. Just finished a build, and reviewed the first few pages, I was wondering if there were any limitations. I've read don't exceed 1.55 for voltage was wondering if temperatures are really good can you break that rule, as the same for x multiplier and fsb, is there any limit. Would appreciate any help. I love my new system don't want to break it.

1.55 vcore? Thats way high, Ive seen 1.4v for air cooling 24/7 and 1.45v for water cooling 24/7 And 1.52v MAX and I wouldn't use that unless I was benching a really high overclock.

For temps keep it under 85c as a max, But for me the max is 75c thumb.gif

Overclock with the multiplier not the FSB. You can try the to up the FSB, But it will most likely not work out.
post #5056 of 9343
Quote:
Originally Posted by Petey View Post

Just subscribed, And a few questions to a I5 2500k oc question. Just finished a build, and reviewed the first few pages, I was wondering if there were any limitations. I've read don't exceed 1.55 for voltage was wondering if temperatures are really good can you break that rule, as the same for x multiplier and fsb, is there any limit. Would appreciate any help. I love my new system don't want to break it.

That's a nice looking rig. (I took the photo out of your quote.)

The general consensus on temperature is that 95C is the highest that is "safe" to hit occasionally and that 100C is roughly where the Intel CPU circuitry self-regulates and throttles down to a lower frequency to cool things down. There is no hard and fast rule on this as TJmax can actually vary from chip to chip and is not published or accessible. My TJmax, from everything I could discern, is 98C but even that is just a guess. This article talks a great deal more about TJmax. http://www.techpowerup.com/realtemp/docs.php

Most people, with a few "extreme" over-clocking folks excluded, do not adjust the BCLK (which is essentially the FSB but is really the Base Clock frequency) at all. Those who do adjust it, typically stay below a 5% increase, as any more than that typically causes some rather serious stability issues. There's almost no need to adjust the BCLK in most scenarios.

That being said, Intel lists VID Voltage Range is 0.800V-1.375V and I know that some OCers feel quite safe at 1.45V with adequate cooling but.... 1.55V !?!? post-flame-small.gif

Intel Data-Sheets say 1.40V max on page 23 too!

1.55V is awfully high, in my opinion, just like 98C is awfully high in my opinion.

Here's some information about my system. This may or may not help you:
  • Asus P8P67 WS Revolution Rev B3 BIOS 1402 09/20/2011
  • Intel i5-2500K
  • Air Cooled: ThermalRight Venemous-X RT
  • 2x 4096 MB G.Skill PC3-12800 (800 MHz) DDR 3, F3-12800CL8-4GB clocked at XMP values of 8-8-8-24-2T 1.500V


Prime95 Blend (customized for 90% or more RAM used) for 18 hours 45 minutes: (no errors, no warnings)
  • Bus Speed: 100.0 MHz
  • Core Speed: 4.7000 GHz
  • Vcoremax: 1.352V
  • Tcoremax: 71C / 79C / 79C / 75C
  • Tmin: 19C / 19C / 19C / 19C ((Note: this is an unusually low Tmin, due to a short period of time that I had a window open and Tambient was 17C. Tmax values reflect Tambient = 25C))
  • Tambient: 25C
  • TJmax: ~98C




Intel Burn Test (Maximum Stress Level) 5 runs: (~127 GFlops, no errors ~702 seconds)
  • Bus Speed: 100.0 MHz
  • Core Speed: 4.7007 GHz
  • Vcoremax: 1.368V
  • Tcoremax: 77C / 87C / 88C / 83C
  • Tambient: 25C
  • Tmin: 28C / 28C / 28C / 28C
  • TJmax: ~98C

I personally do not want to go above 1.400V ever and I also do not want to go above 80C for sustained periods of time. I'll point out that when I game, fold, or do any of my daily tasks on my PC that I rarely see temperatures above 65C and I only occasionally get spikes of 70C in extreme circumstances.

EDIT: Yes, both tests are run with the same settings. I have my core voltage regulating automatically with an offset of +0.025V and my multiplier is set at 47 for the 4.7GHz rating. My CPU will vary between 1.6GHz and 0.976V and 4.7GHz and 1.352V. Apparently the IBT really eats things up though, and makes my voltage go just a wee bit higher than Prime95 does for some reason. My BIOS settings are visible in my user photo gallery.

I built my system to run quietly and I could push my temperatures lower if I wanted to sacrifice near-silent computing at normal operation for slightly lower temperatures. (My loudest component, by far, is my GTX 580 when it's hitting its 85% fan-speed threshold during folding or heavy 3D gaming/benchmarking.)
Edited by shad0wfax - 11/22/11 at 11:23pm
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post #5057 of 9343
Quote:
Originally Posted by shad0wfax View Post


1.55V is awfully high, in my opinion, just like 98C is awfully high in my opinion.

This old guy was running his computerchip at 1.64 V, much to high... (post #2994). I have not a good overclocker, vid=1.371V. But the chip withstands high temperatures and voltages: at 5.1Mhz and 1.64V, temperatures are raising very fast with prime95 up to 98°C before downclocking, but I could run FS2004 for hours at that speed. Now I am overclocking to 4.7, but the chip is only very stable at 4.6 and 1.410V vcore, but going hot with prime95 (96°C) and air cooling. Until now I have no problems at 4.7 with Flight Simulator, my favorith passion.

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post #5058 of 9343
Quote:
Originally Posted by hmar View Post

This old guy was running his computerchip at 1.64 V, much to high... (post #2994). I have not a good overclocker, vid=1.371V. But the chip withstands high temperatures and voltages: at 5.1Mhz and 1.64V, temperatures are raising very fast with prime95 up to 98°C before downclocking, but I could run FS2004 for hours at that speed. Now I am overclocking to 4.7, but the chip is only very stable at 4.6 and 1.410V vcore, but going hot with prime95 (96°C) and air cooling. Until now I have no problems at 4.7 with Flight Simulator, my favorith passion.

hmar

1.410V and 4.6GHz sounds reasonable. 96C sounds like you need to do some work on your cooling solution as that's close to where the CPU will start throttling itself down. What heatsink and fan do you use and how is your case fan setup?
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post #5059 of 9343
Quote:
Originally Posted by shad0wfax View Post

1.410V and 4.6GHz sounds reasonable. 96C sounds like you need to do some work on your cooling solution as that's close to where the CPU will start throttling itself down. What heatsink and fan do you use and how is your case fan setup?

I did a bad choice for a Scyte Rasetsu, not that the cooler is bad but the case is closed at the site of the fan. I am not sure that I did a good job with the cooler paste too, it is aplied with an extremely thin layer. Thinking of replacing the Rasetsu by a Corsair H80.

hmar
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post #5060 of 9343
It was just with a max liquid cooling, the chip plays a whole new role, I had prime 95 maxed with kombustor running, I know hard on the system, looked at system in AI suite all cores 4.5xx running. Reaching only 48 Celsius. The thing freaks me out. Im like for boost like air cooling, what 8ghz. The chip seems pretty complex though and I feel if I start trying to max it out, something inside is going to pop. To think 4.5 constant prime 95 running easy. Its a mind blower. I know every one can get 5ghz. but like your saying 90 + Celsius. How long do those cores stay at those speeds. The other thing, when speed of the cpu is screaming, at what ghz does it all becomes redundant like the processor is screaming and the components cant keep up.
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