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Help overclocking q9450 + ep45-ud3p please :)

post #1 of 11
Thread Starter 
Been trying to push my system to 500mhz fsb and I can't seem to get it stable. Im not sure what I'm doing wrong, but maybe someone can help me based on my data I provide.

I ram running with 5 hdds and 2 rom drives, using gskill ram that is like 1100 rated @ 1.85v. Rocking the q9450 and the gigabyte ep45-ud3p. Water cooling the cpu and my video card on 1 loop. If I need to provide any more data for hardware that is relevant, just ask.

BIOS is the FE which is the last bios they made for this board.

Voltages are as follows -

CPU Host Freq: 500
PCI Express Freq: 100
(under advanced clock controls) - MCH Clock Skew: 50ps
MCH Freq Latch: 400mhz
System Memory Multiplier: 2.00D
DRAM Timings: 5-5-5-15
Static tRead value for channels A and B: 10

LLC: Enabled
CPU Vcore: 1.400
CPU Term: 1.38
CPU PLL: 1.500
CPU Ref: .893

MCH Core: 1.400
MCH Ref: .903
MCH/DRAM Ref: .910
ICH I/O: 1.500
DRAM Voltage: 2.00
DRAM Term: .910
Channel A Ref: .910
Channel B Ref: .910

I have all the CPU stuff like virtualization turned off.

Basically, cant even make it past 3 passes of Intel Burn Test v2 with this setup. I'm not sure how much higher I can take my vcore or MCH core due to danger levels.

If anyone can give me some insight with past experience or whatnot, that would be really helpful!
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post #2 of 11
Thread Starter 
bump for help!
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post #3 of 11
Go to BIOS. LOad optimized defaults and
in the cpu technologies menu, dissable:EIST and C1/ All the rest-leave as default
Then go to next menu and set this settings

CPU Host Freq: 500
PCI Express Freq: 100
(under advanced clock controls) - MCH Clock Skew: AUTO
MCH Freq Latch: 400mhz
System Memory Multiplier: 2.00D
DRAM Timings: 5-5-5-15
Static tRead value for channels A and B: AUTO

LLC: Enabled
CPU Vcore: 1.46
CPU Term: 1.42
CPU PLL: 1.78
CPU Ref: -AUTO

MCH Core: 1.52
MCH Ref: auto
MCH/DRAM Ref: auto
ICH I/O: 1.64
DRAM Voltage:auto
DRAM Term: .auto
Channel A Ref: auto
Channel B Ref: auto
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post #4 of 11
Thread Starter 
holy crap on a cracker those are some high northbridge temps. Can it handle that temp with that high of voltage?
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post #5 of 11
Thread Starter 
I guess the best question is, what is the highest safe voltage on the MCH core? and vcore, for that matter.
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post #6 of 11
those voltages are for the beginning..... if you can stay stable with these voltages,,,you can drop them anytime to lower....
i just advised you some thing.s... your choise
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post #7 of 11
Please don't use his voltages unless you're looking to kill your hardware quickly. I'm using nowhere near that for 506 FSB. You shouldn't need more than 1.36 on the MCH core, and you don't want to go over 1.4 on VTT (especially VTT) or VCore unless you're OK with the risks (killing chips). His PLL is also way out of control.

Go here (EP45 UD3 thread), and read through:

http://www.overclock.net/intel-mothe...ers-guide.html

Lots of us to give help at the end of the thread when you get your research down.
Edited by 2thAche - 4/27/11 at 2:53pm
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post #8 of 11
And bespreDELL:

The reason your voltages are so crazy is becaus you're not using the GTL settings (Reference voltages) which is what makes the Gigabyte boards the best overclockers.

You should read the same thread, use the GTL references and get your volts lowered before you smoke something.
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post #9 of 11
Quote:
Originally Posted by 2thAche View Post
And bespreDELL:

The reason your voltages are so crazy is becaus you're not using the GTL settings (Reference voltages) which is what makes the Gigabyte boards the best overclockers.

You should read the same thread, use the GTL references and get your volts lowered before you smoke something.
here is my chips photo.... i think i can push my voltages more,,,, how do you think ?




i've been using VTT 1.44v for 6 month.
and MCH volt 1.56-1.6v for 5 month.
myabe that's my DQ6 just can handle such voltage.


And.... i'm tired to repeat to all of you.....
The voltages, which i advised befor ARE JUST FOR 1-2 boot...to check the stability..... If it will be stable, you can set them lower TO ANYTIME.
Besides 1.45v for VTT it's according to intel data sheet. anyway...there is always a risk....even when you walk across the street.

i have a large experience in overclocking socket 775. so i know what i'm talking about.
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post #10 of 11
Well then, have at it; it's your rig, and obviously you like to burn chips so you're well on your way to burning more if that's cool to you.

Just know that you could be using completely sane voltages if you used the references and skews. I wouldn't advise anyone to use a setup like yours when they can do better with less voltage on every single setting.

PS: I'd love to see your machine do 6 hrs of Large FFTs.
Edited by 2thAche - 4/28/11 at 1:43pm
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XSPC Raystorm XSPC Dual Bay reservoir with Alphacool variable... Alphacool NexXxoS UT60 Full Copper Triple 120mm... EK GTX680 FTW waterblock 
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