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Bulldozer 8150 Black Edition OC results?

post #1 of 21
Thread Starter 
Hi guys. I'm new here and thought i'd just throw this out there, both as a warning for Gigabyte fans AND as a request for information :3

I've been playing around with my OC settings since the UD7 is rather well optimised for OC'ing in the bios and the warranty for the board fully covers it - that's also why i got the BLACK edition 8150.
I know many people have hit 5-5.2ghtz on air cooling with the stock HSF and i thought i'd try my luck with the bare minimums. I found that the maximum stable i can get ATM is a 4200mhtz clock and ideally i have to bring the voltage up to 1.51volts. This is due to a massive voltage drop as you can see by the attached piccy, on load it's dropping to 1.32v and i'm rather concerned about this.

I'd like to push the OC further and i tried updating to the F7 bios to accomplish this, but i had no luck. I updated the bios because i did a fair amount of searching and found that while the issue is with the rev0 and rev1 mobos, it can largely be minimised still by updating the bios. The issue i'm having is that Windows 7 x64 doesn't run on this hardware, it has issues with the RealTek 8111e networking device so i've been running the Windows 8 developer preview. The problem with running W8 is that it doesn't like the F7 bios, it refuses outright to boot up.

So in case you're wondering, there's the issues in-whole with the GA-990FXA-UD7 and hopefully this info can get stickied somewhere, for now i'm also wondering if anyone has had any luck with the W8 dev/prev and the f6/f7/f8e beta bios or at least getting W7 x64 to run without networking issues.

Thanks in advance for replies smile.gif

450
Edited by PurePhoenix - 2/17/12 at 9:35am
post #2 of 21
Please post your 990FXA questions to this thread. You will be more likely to get the info you are looking for...

[Official] Gigabyte GA-990FXA-Series Owners Thread/Club
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post #3 of 21
This is old news, anyone who has this board on this forum already knows about it. Go to the thread bajer29 linked.
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post #4 of 21
Thread Starter 
Sorry, thought the ownership thread wasn't about technical related issues. I read the first page and thought it best just to post my info here... sorry for the inconvenience.
post #5 of 21
Quote:
Originally Posted by PurePhoenix View Post

that's also why i got the BLACK edition 8150.
I know many people have hit 5-5.2ghtz on air cooling with the stock HSF and i thought i'd try my luck with the bare minimums.

NO way, no how, not a chance. I'd absolutely LOVE to see this. Certainly not stable for anything other then 'maybe' a boot into windows, and not on 8 modules.
Edited by almstsobur - 2/17/12 at 8:35am
post #6 of 21
Quote:
Originally Posted by PurePhoenix View Post

Sorry, thought the ownership thread wasn't about technical related issues. I read the first page and thought it best just to post my info here... sorry for the inconvenience.

No problem. I wasn't scolding you, just trying to point you in the right direction thumb.gif
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post #7 of 21
Thread Starter 
Maybe it'd be a better idea for staff/mods to rename this thread something more suitable... for example something more over-clocking orientated.

almstsobur; these benches were done by the overclocking focums,aandtech and tomshardware smile.gif Google is your friend.
I won't deny that a 5ghz OC is RARE and the AVERAGE is 4.4, it CAN and HAS been done on air cooling several times.

EDIT: Just thought i'd point out, my system boots at 4.9ghz and i'm running the stock HSF. It just doesn't load into windows or lasts a very short time before the W8 dev prev BSOD's on me. Until i see evidence to prove contrary, i'm assuming that's a limitation caused by the voltage drop of the Rev1 Ga-900FXA-UD7 and the Windows Dev prev support

EDIT #2; in short, if i was running a rev3 board i could probably boot into W8 dev prev at 5ghtz - on the stock HSF air cooling, as it only goes over 61 degrees under sustained 100% load at 1.5v at 4.6**ghz

**denotes correction via edit
Edited by PurePhoenix - 2/17/12 at 9:31am
post #8 of 21
Yeah I have a 8120 and I am sitting at a stable 4.3 GHz@ 1.4375v overclock, the 8150's though are binned much higher and should achieve my overclock with slightly above stock voltage.
post #9 of 21
Thread Starter 
Yeah, i'm not entirely sure what to think. For now I've renamed the thread so it reflects that this thread is more relevant to FX 8150 Black Edition overclocks.

I'm still not sure that I've breached 60*c regardless of what CPUz and CoreTemp report - that's just because i set my CPU warning temp to 60*C and i haven't had my mobo beeping at me yet.
I'm not sure wether it's a mobo bug and I've gone over 60*C or wether the mobo is accurate and i'm under 60*C and coretemp/cpuz are bugged with their temperature readings.

So far for a fact i know that at the very least, i can run 1.51v @ 4400mhtz, stock HT 2600 and i hit 61-62 degrees celcius at max. That's the highest I've seen in CoreTemp AND CPUz.

For the record, i deliberately did the OC at a HIGH ambient temperature - the ambient temperature in the room with the system was easily 30-35*C. I deliberately left my air conditioning off so that i could find out what the ABSOLUTE maximum temperature i could expect, with air conditioning off, during summer.

I expect that in cool / average ambient temperatures between the 20-25*C range, that you could comfortably hit the 5ghz mark with this CPU. This isn't true for ME obviously, since i have a rev1 UD7 and i have to run a 1.51 CPU voltage but still..... i only just got this system and considering the ~200mv drop, i think i'm doing pretty decently to hit 4.4 or 4.6 ghz off a stock 3.6 speed.
post #10 of 21
No point in an argument here, I just want to clarify so people don't get miss information from threads like this and go spend $260 on a 8150. It is NOT possible to run a stable benchmark-able 5.0+ Ghz 8150 on 8 cores with the stock HSF. I assure you. If it has been done it is .00001% of the chips made or pure bull****.

I have owned 2 of these 8150's now and I am running a custom water loop of a Ultima XT block a 240MM and a 360MM radiator CPU cooling only and need at least 1.55V for 5.0GHZ on one chip and 1.57V on the other, no chance the stock HSF will do anything but cook under any multi-core load at 1.55V. Stability of course is subjective, but just booting windows has nothing to do with stability. I just don't want to lead people astray; 5.0+Ghz is not automatic and will require an investment in cooling. I don't care what Tom, dick or hairy's website says, it's a pipe dream and not possible.
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