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post #10111 of 67220
Thread Starter 
Quote:
Originally Posted by gertruude View Post

Quote:
Originally Posted by Paladine View Post

OK I think I figured this out now, I have to adjust the multiplier and the VCore right? Just with you all talking about VCore I never realised I had to change both.

So let me get this right:

1. Change Multiplier for the OC you want (so at the moment I have mine set to 22.5 with 200MHz FSB for 4.5GHz which is a 1GHz Overclock)
2. Change the VCore 1 step at a time until your system is stable under IBC or Prime95 or whatever bench test you use?

If I am wrong please correct me, because I want to do this right and this is my first system overclock.

So currently (as stated above) I have it at 4.5GHz but my voltages are all over the place. I am using UD3 Rev 3.0 board with latest BIOS and have LLC set to High.

I passed IBC at High 1 pass (about to do 15 minute test) but voltage fluctuated a lot.

Will post more after 15 minute test.

hey dude

i would settle for very high on llc. high and below just gets too much vdroop etc. For 4.5ghz i would set vcore to 1.40-1.45 and see how it is.
If its stable then i would try dropping that little by little until it becomes unstable then turn it up a notch
Also when u just trying to find a stable vcore i would just run IBT on standard or u going to be here all day biggrin.gif


hope this helps

Dude, Gigabyte board, no LLC setting gives vdroop. I explained this not too long ago:
Quote:
Originally Posted by KyadCK View Post

Alright, I promised I'd explain why VBoost is better then VDroop and how Gigabyte handles LLC on at least the UD3, so here we go. (This is based on the latest BIOS)

Many of you probably know that it takes less voltage to do normal tasks with an OC then it does for long-therm stressing. Fairly known fact, suicide runs are done the same way. We also use Cool'n'Quiet to reduce power usage when the computer isn't in use, but it's not very effective for "normal" use where it puts us up to full speed and voltage anyway.

Gigabyte's most recent BIOS, for me, has LLC working this way:

AUTO: Whatever your board decides on... I have no idea what it wants to do sometimes, seems random.
Regular: Keep voltage steady.
Medium: +.025v
High: +.05v
Very High: +.075v
Extreme: +.1v

I'll use my chip at 5Ghz for this example.

When I'm just doing normal things like web browsing, I can be stable forever on just 1.5v. However, when I'm playing a game, I'll need 1.525-1.536v. When I'm stressing with IBT, I'll need 1.55-1.56v. Knowing this, my best LLC choice would be "High", to add up-to .05v under maximum load. It won't boost that high all the time, or even most of the time, but when I do need it, it's there. Normal overclocking would have me riding at 1.55v all the time, but this way I can allow less voltage to go through the CPU when I need it less, like an overclocker's version of C'n'Q.

The idea is to find the offset between full-load voltage and normal use voltage and adjust accordingly. Makes Overclocking more complicated by adding in another factor, but if you use it right, it can pay off. These chips draw a lot of power under load, this can make a fair dent in it.

Do not treat Gigabyte boards like they are ASUS boards. You're just screwing up his voltages that way.
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post #10112 of 67220
Post Deleted by Paladine
Edited by Paladine - 7/1/13 at 4:39am
    
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post #10113 of 67220
Quote:
Originally Posted by Paladine View Post

I am not OCing the RAM at the moment, just Multi and VCore on CPU. I said, I don't think I can hit 5GHz unless I do FSB, which means I need to find stable settings for my RAM before I can do that.

Paladine

Anyone got any idea on timings for my memory (in sig) so I can do an FSB OC? I already tried increasing FSB to nudge the CPU over 5GHz but again windows wouldn't boot, I suspect because the RAM was failing (2136MHz at the FSB I was using).

Contradiction?
post #10114 of 67220
Quote:
Originally Posted by KyadCK View Post

Dude, Gigabyte board, no LLC setting gives vdroop. I explained this not too long ago:
Do not treat Gigabyte boards like they are ASUS boards. You're just screwing up his voltages that way.


Ah, i must of missed that previous post. Im sorry for giving out false information then thumb.gif

i really thought the difference between manufacturers was just the wording for things in bios biggrin.gif
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post #10115 of 67220
Quote:
Originally Posted by Ghost12 View Post

Anyone got any idea on timings for my memory (in sig) so I can do an FSB OC? I already tried increasing FSB to nudge the CPU over 5GHz but again windows wouldn't boot, I suspect because the RAM was failing (2136MHz at the FSB I was using).

Contradiction?

what i normally do is leave the timings on auto then when u found highest OC for ram i try to tighten up the timings a bit
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post #10116 of 67220
Thread Starter 
Quote:
Originally Posted by gertruude View Post

Ah, i must of missed that previous post. Im sorry for giving out false information then thumb.gif

i really thought the difference between manufacturers was just the wording for things in bios biggrin.gif

Na, some things are different. PLL voltage helps Giga more then VDDA helps ASUS too. Plus at least the UD3 doesn't have CPU/NB LLC that skyrockets the voltage, so leaving the voltage on auto will keep it at 1.2v or so.
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post #10117 of 67220
Post Deleted by Paladine
Edited by Paladine - 7/1/13 at 4:36am
    
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post #10118 of 67220
Post Deleted by Paladine
Edited by Paladine - 7/1/13 at 4:36am
    
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post #10119 of 67220
Quote:
Originally Posted by Paladine View Post

I only just figured out how to OC my CPU, I don't have any idea how to do the RAM, do I need to change the voltages for RAM as well (like I did for CPU)?

If you can keep the RAMs speed as close to stock as possible then you dont need to change volts. If you end up having higher speeds you might aswell put DRAM voltage to 1.65 (if the modules can take it) and find a stable mix between RAM multiplier and FSB.
 
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post #10120 of 67220
Also KyadCK i may buy the RayStorm 750 RS360 in a few weeks or so. Do you think it will let me do 5-5.2GHz on my 8350? it boots 5GHz at 1.48 Volts.
 
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