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AMD FX (Bulldozer) Owners Club! - Page 427

post #4261 of 8112
I'm tempted to buy a H100 and compare it to my Phanteks and Silver Arrow SB-E. Both these air coolers perform extremely well in my system. I'm curious to see if these closed loop coolers can match their performance. I've posted comparisons of my air coolers here
post #4262 of 8112
Thread cleaned.

You guys need to take your arguments elsewhere (such as PM). You know who you are. ninja.gif
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Junkyard
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post #4263 of 8112
Guys, I need some help. I want to OC my 8120 on a Sabertooth 990FX motherboard but I don't really understand this UEFI BIOS. Can anyone help me decipher it or tell me what to do?
post #4264 of 8112
Quote:
Originally Posted by Fur View Post

Should I be looking at the CPU Sensor Temps -or- the Core Sensor Temps?
This is what the computer is at 3.6 GHz.

Do those temps look good under load? If so, then I think I will attempt at overclocking again to try for the 4.4GHz at better temps with the lower voltage you mentioned and then 4.6 - 4.8 for Benchmarking.
Also another quick question, how do I know what a certain CPU Vcore should be for a specific overclock? Is there a forum topic I can read over on this? Can't seem to find a specific one regarding the AMD FX series procs and the Overclocking guides I've seen don't really explain much other than I should move up the Vcore slightly until the computer posts then test for stability. I was kind of hoping for a mathematical equation that might help me.
Big Thanks!
-Fur

Temps look good. For the 8 Core Bulldozers, the max Core Sensor Temp is 60C (the 4 and 6 cores are a little higher) So you have a lot of headroom to play with now.
As for your CPU voltage, there is no real calculation for it, (outside quantum physics I believe). Some of the chips have higher leakage etc, so it's all trial and error to get the best setup.
AMD says the max you want to use is 1.55v, but I'd recommend keeping it under 1.5v and around 55C for daily usage.

This
Quote:
Vcore slightly until the computer posts then test for stability.

So after lapping my CPU (which I don't recommend as it's a pain in the !@##) and getting some new fans for a push/pull setup on my H100, I have my Core Temps
down to 44C @ 4.6Ghz 1.45v (H100 setting on low) running Prim95. Think I'll play around tonight with some O.C. I was having some issues with stability running the F6 Bios for the Gigabyte 990fx UD3 Rev 1.0 MOBO (couldn't clock over 4.4Ghz) So I'm back to F5 for more O.C. Anyone else run into this problem?
Edited by ComputerRestore - 5/3/12 at 5:51am
post #4265 of 8112
Quote:
Originally Posted by truestorybro545 View Post

Guys, I need some help. I want to OC my 8120 on a Sabertooth 990FX motherboard but I don't really understand this UEFI BIOS. Can anyone help me decipher it or tell me what to do?

2 options. Read through the manual or Google it. Explaining the ins and outs of a bios is another thread all in itself. Research is your friend.
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post #4266 of 8112
Quote:
Originally Posted by Warfare View Post

2 options. Read through the manual or Google it. Explaining the ins and outs of a bios is another thread all in itself. Research is your friend.

I have yet to find any information on the UEFI and how it works....

Research is not my friend at the moment....
post #4267 of 8112
it was very confussing at frist for me as well truestorybro but I picked it up very fast
post #4268 of 8112
Quote:
Originally Posted by truckerguy View Post

it was very confussing at frist for me as well truestorybro but I picked it up very fast

How!?!? Please, o mighty Trucker Guy, HOW?!?!?!?
post #4269 of 8112
Nice temps after lapping. I haven't done that since my Core2Duo. But, I still find it worth it if you've already had the proc over four to six months and finished running your benches. This is half way through the time frame for my CPU's as I plan on upgrading yearly.

Unfortunately wouldn't be able to help you as I've never owned any other MoBo's than SoYo and Asus. Man I miss SoYo...
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post #4270 of 8112
At my final overclock 4.5 ghz 1.40v 2600 NB & HT on the 8120, at 4.7 ghz 1.45v the CPU was just getting too hot and crashing my system. I will say that if you bump up the BLCK as high you can you will see a decent increase in performance, I am running 237 * 19 and there is big difference over 200 * 22.5. If you win the silicon lottery and get a chip that can run at 4.8ghz stable consider yourself lucky, because the 8150 and 8120 really shine at anything stable above 4.8ghz.
    
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