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[Official] Gigabyte GA-990FXA-Series Owners Thread/Club - Page 231

post #2301 of 12377
Quote:
Originally Posted by MrGaZZaDaG View Post

but are you running a FX 8150 bulldozer?
I would of thought the UD5 and UD7 would be a better board? how can the cheapest be the better board???

the UD3 has stabler voltages on Phenom II procs. and nobody in their right mind would get an FX chip for anything but rendering and heavy folding. and even for that, i would grab a 2500k for only a little bit less and overclock the crap out of it.
    
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post #2302 of 12377
After few weeks of fiddling and playing around with 990FXA-UD3...updated to F6F BIOS, using 4*4GB Corsair Vengeance LP(9-9-9-24 1T) driven by 1090t at 20*200MHz with NB at 2800MHz...voltages, 1.5V for RAM, 1.425V Core and 1.25V NB...I can say I am satisfied with results...
Tried 16*250MHz but it was actually bit slower than 20*200MHz while stability wise...it's like rock...
Any comments?thumb.gif
post #2303 of 12377
Quote:
Originally Posted by Heidi View Post

After few weeks of fiddling and playing around with 990FXA-UD3...updated to F6F BIOS, using 4*4GB Corsair Vengeance LP(9-9-9-24 1T) driven by 1090t at 20*200MHz with NB at 2800MHz...voltages, 1.5V for RAM, 1.425V Core and 1.25V NB...I can say I am satisfied with results...
Tried 16*250MHz but it was actually bit slower than 20*200MHz while stability wise...it's like rock...
Any comments?thumb.gif

Not too shabby. Looks alot like my clock on my 955. Have you made any attempt to hit 3000 on the NB? and what are your temps like?
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Gizmoto
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post #2304 of 12377
Well, this is where I should actually try to go…3GHz on NB, but so far not much success…temps are in check, with above mentioned cooling under 100% load barely hits 61 degrees and this is in closed case with 1 fan installed. I have water cooler ready to go in, but since mobo has no fan speed regulation other than on and off and I use CM Excalibur fan for it…there’s no way of installing such…unless GB change their minds and offer us decent fan speeds…what sort of voltage I would experience on NB if I go to the 3.0 mountain?
post #2305 of 12377
Well, I need to find out for myself with FX, getting an 8150 this morn smile.gif
I'll see how well the vdroop goes using the same technique as for Thuban.( Wind it up & allow for lots of sag lol )
Have F5j bios on the ud7 which is good for 4.5ghz boot (that was about it though, at least to OS for a screeny) 4.2ghz x 6 cores solid with h2o.
Had a few sessions at 4.4ghz x 6 for a while with 1.67v on processor which sagged ('drooped' lol very technical term)) to 1.56v under AIDA64 load test. Volts at 4.2 are1.63 which oozed (drooped) down to 1.53v under load.( cpu die temp 38C load, 37C core 1. 26/22 idle) If anyone can give me a headstart on the best bios, would be appreciated. I'm good for FX on current bios so will test on it first.


lol just admitted to myself, justification for the spend is............................... to see a 5ghz cpuid screen on my pc lol.
Looks like the NB will be the challenge. I was under the impression that server fx's do 6.4GT which is 3200 NB .< i may have misread or been misinformed on this 1 so plz don't take as fact.

Many thanx to this forum too for all of the people knowledge and experiences.
post #2306 of 12377
biggrin.gif F5 doesn't work with BD so doing the right thing and getting latest
post #2307 of 12377
f5 on my ud3 works just fine with my 8120.

i haven't tried the new bios, will prolly give it try once it goes official.
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post #2308 of 12377
Tried F8 beta frown.gif now trying F7 bios , so far it takes an awefull lot of volts to processor to get high cycles. LIKE 1.74v to droop to 1.58v for 5ghz x 8. Temps get to 55C on the cores (Die temp stays close to ambient air temp, which is odd). Not brave enough to check power draw yet :s but i'm already thinking that this processor will be sold soon & i'll be back on the Thuban smile.gif
I had to blink when i ran cinebench 11.5 , stock was in the low 5's frown.gif kinda redeemed itself with mid/low 10's at 5ghz though.
Haven't touched NB yet.
Haven't booted at higher than 5.02 ghz either lol. Going to reapply thermal paste, just in case wink.gif
post #2309 of 12377
Quote:
Originally Posted by Snotty View Post

Well, I need to find out for myself with FX, getting an 8150 this morn smile.gif
I'll see how well the vdroop goes using the same technique as for Thuban.( Wind it up & allow for lots of sag lol )
Have F5j bios on the ud7 which is good for 4.5ghz boot (that was about it though, at least to OS for a screeny) 4.2ghz x 6 cores solid with h2o.
Had a few sessions at 4.4ghz x 6 for a while with 1.67v on processor which sagged ('drooped' lol very technical term)) to 1.56v under AIDA64 load test. Volts at 4.2 are1.63 which oozed (drooped) down to 1.53v under load.( cpu die temp 38C load, 37C core 1. 26/22 idle) If anyone can give me a headstart on the best bios, would be appreciated. I'm good for FX on current bios so will test on it first.
lol just admitted to myself, justification for the spend is............................... to see a 5ghz cpuid screen on my pc lol.
Looks like the NB will be the challenge. I was under the impression that server fx's do 6.4GT which is 3200 NB .< i may have misread or been misinformed on this 1 so plz don't take as fact.
Many thanx to this forum too for all of the people knowledge and experiences.
Quote:
Originally Posted by Snotty View Post

Tried F8 beta frown.gif now trying F7 bios , so far it takes an awefull lot of volts to processor to get high cycles. LIKE 1.74v to droop to 1.58v for 5ghz x 8. Temps get to 55C on the cores (Die temp stays close to ambient air temp, which is odd). Not brave enough to check power draw yet :s but i'm already thinking that this processor will be sold soon & i'll be back on the Thuban smile.gif
I had to blink when i ran cinebench 11.5 , stock was in the low 5's frown.gif kinda redeemed itself with mid/low 10's at 5ghz though.
Haven't touched NB yet.
Haven't booted at higher than 5.02 ghz either lol. Going to reapply thermal paste, just in case wink.gif

I'm using F8a no drop in performance for me anywhere
boards voltages settings are way off
I set 1.675 I get 1.556 on idle and 1.44 load it's never up to what I set in bios EVER.
    
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post #2310 of 12377
so on sigrig im at cpu 4400, cpunb 2400 ht 2400. Voltages? I set cpuv at 1.5215 in bios to be stable yet CPUZ and Aida64 show it at 1.472v idle, and under stress it goes from 1.440-1.424 up and down between those

So is that why Im having difficuty getting cpu beyond 4.4ghz is it ok the to up voltage way up in bios so it actually gets around 1.5+ on idle in cpuz? Or even is it ok to up it so much in bios it shows aroung 1.5v in CPUZ when under stress? Is that the vdroop I read so much about?

Thanks n happy Xmas all thumb.gif
Edited by moonmanas - 12/24/11 at 7:40am
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