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**Ivy Bridge Overclocking Guide** (with LN2 Guide at The End) - Page 16

post #151 of 1423
What do you guys think of this board
ASUS P8Z77 WS
vs ASUS P8Z77 Deluxe
Edited by gmpotu - 5/8/12 at 8:50pm
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post #152 of 1423
Quote:
Originally Posted by gmpotu View Post

What do you guys think of this board
ASUS P8Z77 WS
vs ASUS P8Z77 Deluxe

Links go to the same page.
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post #153 of 1423
should work now thanks
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post #154 of 1423
Quote:
Originally Posted by Sin0822 View Post

It depends as the guy said, to use DVID offset you also must use the power saving things like C1E, EIST, and C3/C6 modes which most users disable because the systems are most stable with them off, the fluctuation of voltage and frequency can cause instability, but it usually doesn't happen. Personally i recommend users do without offset to begin with, and then include offset after they find their stable vcore, that is if they want a drop in frequency and voltage. From what i have tested the power savings isn't as much as you think. Voltage isn't the issue, current is, and the difference in current between idle at 4.5ghz and idle at 1.6ghz is not as different as load at those two frequencies.
It's not about the power saving. It's more for the benefit of lower temperature and less degradation when not under load. But you're right, for a beginner like me, I should try OCing with fixed voltage first since it seems easier.
Edited by Teiji - 5/14/12 at 7:02pm
post #155 of 1423
I am trying to OC my GB UD5H using most of the settings on the 1st page. I am only going up to 4.2GHz though.

I go into the bios and under advanced Frequency settings I set the CPU clock ratio to 42 and my multiplier is set to 100.00. I disabled turbo boost and all power saving settings and saved the bios. I also set my memory to 1800MHZ. When i boot into windows and look at CPU-Z the core speed is always 3732.XX with a multiplier of X 37. I have no clue why it doesn't show 4200 and X 42. If I go back in bios the settings are all there and all correct. What Could I be doing wrong??
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post #156 of 1423
New here, been out of the game for about 6yrs now. My previous computer was a C2D E6600 OCed @ 3.2GHz, nothing crazy but it served me well.

Anyway, I just put together my new Ivy Bridge machine, once I made sure everything was running I went into the bios, followed the IB OC guide here and went straight to 4.5Ghz, which is my 24/7 goal for this machine.

Currently at 4.5Ghz with a 1.20v in the bios.

I'm running Prime95 v27.7 right now and so far so good, it's only been about 30mins but nothing has crashed or stop. I just ran the blend test, what should I be running? how long should I run prime before I consider it stable? anything else I should do?

Here are some screenshots.
2362461.png

szvlub.jpg
post #157 of 1423
Quote:
Originally Posted by PMantis24 View Post

New here, been out of the game for about 6yrs now. My previous computer was a C2D E6600 OCed @ 3.2GHz, nothing crazy but it served me well.
Anyway, I just put together my new Ivy Bridge machine, once I made sure everything was running I went into the bios, followed the IB OC guide here and went straight to 4.5Ghz, which is my 24/7 goal for this machine.
Currently at 4.5Ghz with a 1.20v in the bios.
I'm running Prime95 v27.7 right now and so far so good, it's only been about 30mins but nothing has crashed or stop. I just ran the blend test, what should I be running? how long should I run prime before I consider it stable? anything else I should do?
Here are some screenshots.
I ran prime for 90mins hit an error, so had to adjust, i've now hit 6+ hours stable so now I'm happy (5 mins per length). So length is good.

OCCT allows you to use linpack which forces higher temps, as does the intel burn test. OCCT also has some good diagnostic features although they sometimes seem to be a bit ropey (my 12V is stuck at 6.97V for instance, and sometimes cputin gets stuck at 60C)
 
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post #158 of 1423
Quote:
Originally Posted by 13thmonkey View Post

I ran prime for 90mins hit an error, so had to adjust, i've now hit 6+ hours stable so now I'm happy (5 mins per length). So length is good.
OCCT allows you to use linpack which forces higher temps, as does the intel burn test. OCCT also has some good diagnostic features although they sometimes seem to be a bit ropey (my 12V is stuck at 6.97V for instance, and sometimes cputin gets stuck at 60C)

Thanks! i'll give those programs a try.

Read some more posts in here and changed the settings of prime a bit. Running 5min lengths and set memory used to 5500mb (I have 8gb). I'll see how this goes. Just using the blend test was ok for a little over an hour. I know I need more time, so i'll just let it run on the custom mode overnight.
post #159 of 1423
i agree, set vcore to 1.33, load line to med ... let it droop. vcore in my system, must be greater than 1.240 or it dies.
after running primes for hrs vcore drops to 1.248 from 1.33 ... it is 1.33 at 1600 .. it is 1.248-1.254 at 4700.
temps are lower current is lower ... better reliability.

if you are running slower then you can lower vcore ... under 44 i have seen really low numbers ... over 4500
vcore need to be 1.3 or higher to start imho!
jet
post #160 of 1423
Quote:
Originally Posted by PMantis24 View Post

Thanks! i'll give those programs a try.
Read some more posts in here and changed the settings of prime a bit. Running 5min lengths and set memory used to 5500mb (I have 8gb). I'll see how this goes. Just using the blend test was ok for a little over an hour. I know I need more time, so i'll just let it run on the custom mode overnight.
be careful overnight ... runaway primes can kill your cpu,
make sure system is pretty stable 1st ... run 2-3 hrs torture test 1st
your vcore seems low to me.
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