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SB - multiplier vs BCLK vs VCore

post #1 of 35
Thread Starter 
First: [removed]

2nd: 59x101.69 or 58x103.44 or 57x105.26. Which would put as little stress on the system as possible? The UD7 board supports 1.75V (Yay!)
And which would require as little voltage as possible?
Should I run OK with 1600Mhz ram? 9-9-9-24. 1 stick or 2,3,4?
Less GPUs = more stable?

Please only reply if you HAVE experimented with multi vs BCLK. No speculations please.
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post #2 of 35
99% chance you cant hit 58/59 multi anyway. Pretty low chance of getting 57x also. Firstly see what is the max multiplier it will boot at and then work the bclk up.
    
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post #3 of 35
Thread Starter 
Max multi at 59 w/ PLL. So lets continue with OT(on topic) from now on
Edited by XrOo - 5/1/11 at 2:42am
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post #4 of 35
Quote:
Originally Posted by mental.patient View Post
99% chance you cant hit 58/59 multi anyway. Pretty low chance of getting 57x also. Firstly see what is the max multiplier it will boot at and then work the bclk up.
Check his other threads. He's part of that 1%
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post #5 of 35
Thread Starter 
I don't want to be a jerk. But, if someone has somewhat worthy to say about my origin question(s) as stated in the top post of this thread. Please send me a PM. This thread, like ALL OTHERS will go off topic sooner or later.

Yes, I am one of the few who has a 59x chip. Don't belive it? Too bad. I don't care what you belive. :-)

Edit: Thanks Traches for clearing it up. Hopefully that will stop 20 people from posting: "You most likely wont be able to boot at xx multi blah blah"..
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post #6 of 35
Quote:
Originally Posted by XrOo View Post
First: [removed]

2nd: 59x101.69 or 58x103.44 or 57x105.26. Which would put as little stress on the system as possible? The UD7 board supports 1.75V (Yay!)
And which would require as little voltage as possible?
Should I run OK with 1600Mhz ram? 9-9-9-24. 1 stick or 2,3,4?
Less GPUs = more stable?

Please only reply if you HAVE experimented with multi vs BCLK. No speculations please.
All of those setups you have mentioned above put extreme amounts of stress on the system, but a higher BCLK will stress more components than simply the CPU.

59x101.59 would be the most 'system' friendly overclock as you're, for the most part, stressing the CPU and leaving the other system components alone.

With regards to ram - You should run 2 sticks for dual channel and the tightest ram timings as well as the highest frequency you can run stable on those sticks.

More GPU shouldn't cause problems with your CPU overclock, but ramping up the BCLK might cause instability when you are saturating more of the PCIe bus while running it at over it's stock frequency.
post #7 of 35
You can't safely adjust the baseclock over 5%. I'm having to use 38 multi and 105.30MHz for the baseclock in order to reach 4GHz. If you have an unlocked CPU you are best using the mutli and adjusting the vcore accordingly.

For a reference, I'm getting 4GHz with 1.202v.

The safe voltage is 1.38v for 24/7 use. The MAX temp is 72.6C (so you want to be UNDER that while under 100% load) Some people are getting away with over 1.38v on the vcore, but Intel themselves say they do not support overvoltage and will not comment on the max safe voltage. Either they don't know what it is yet, or it's frightfully low. Most OC websites (not user driven like this one) suggest 1.38v. But each chip is very different and some people are doing just fine on 1.42v-1.45v. I personally wouldn't recommend anything near 1.52v at all. However, the max temp is not negotiable.
    
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post #8 of 35
Quote:
Originally Posted by Viridian View Post
You can't safely adjust the baseclock over 5%. I'm having to use 38 multi and 105.30MHz for the baseclock in order to reach 4GHz. If you have an unlocked CPU you are best using the mutli and adjusting the vcore accordingly.

For a reference, I'm getting 4GHz with 1.202v.

The safe voltage is 1.38v for 24/7 use. The MAX temp is 72.6C (so you want to be UNDER that while under 100% load) Some people are getting away with over 1.38v on the vcore, but Intel themselves say they do not support overvoltage and will not comment on the max safe voltage. Either they don't know what it is yet, or it's frightfully low. Most OC websites (not user driven like this one) suggest 1.38v. But each chip is very different and some people are doing just fine on 1.42v-1.45v. I personally wouldn't recommend anything near 1.52v at all. However, the max temp is not negotiable.
Isnt that MAX temp the CPU or Tcase not Cores or CPU Tjunction? I may have that mixed up
     
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post #9 of 35
TCase... isn't that the max temp?
    
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post #10 of 35
Thread Starter 
Safe voltage for me is whatever kills it. Temps will not be a problem. So, high multi with a lower BCLK is best? Does it require more voltage than using a lower multi and higher BCLK?
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Gene Z
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