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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 4559

post #45581 of 67911
Quote:
Originally Posted by Alastair View Post

Thanks Gert. I'll give it a shot when I get back from work tomorrow sometime. This whole thing has me stumped. Could I BT just be a pain for the sack of being a Pain?

i find ibt takes a huge amount of vcore to pass, we must have crap cpu's lol tongue.gif
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post #45582 of 67911
I think something else is unstable in my system. CPU can pass Prime95 fine with Small FFT for 8 Hours but fail Blend Test in an hour or so. Why does RAM always have to be the problematic child? I guess I should try running blend and IBT at stock BIOS/CPU settings to see if it's actually a CPU problem or a setting in the BIOS.
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post #45583 of 67911
oh ram is the problem child trust me. oc cpu took like 1 day. Ram...... much much longer.
post #45584 of 67911
Yup I ran IBT at 4.5GHz with RAM at 1600MHz and default NB/HT and it passed 20 Runs on Very High, without negative numbers. I'll keep RAM at 1600 to make sure my CPU OCs are stable then slowly work with RAM.
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post #45585 of 67911
after putting a 200mm fan behind my mobo (case closed) I got a 5c-10c drop in the socket temp. Now I can hit 2133 with 1.3v cpu/nb. Trying to lower the voltage but it has failed 1.27v so I may be looking at 1.3 regardless lol. Tthen I'll work on ram timings and I'll have to decide how much voltage to actually push into the ram (anyone want to give me a high ball max here?). I'll be happy with cas 8/9 at 2133 but I may just be asking too much lol.
post #45586 of 67911
Quote:
Originally Posted by Alastair View Post

Don't worry. I BT is playing the same game of hardball with me.

A shout out to the rest of the usual around here. A shout out to Red, Mega Man. FlailScHLAMP KyadCK, Mus1mus and F3rs. I would like to know a decent way to stress test without IBT. I am thinking Prime. And I am thinking AMD Overdrive stress test. Since I am sure AMD wouldn't make a stress programme that isn't useful for their products right?

Just passed Prime Small FFTs for 3 Hours on mine. 4.9GHz and a VCore of 1.620. It's hotter than IBT but requires less voltage to pass. But I believe IBT Taxes the RAM and the CPU-NB so is Prime Blend.

Might be worth to relax your CPU-NB and RAM Timings and Test the CPU with small FFTs. Then as Johan mentioned, work your way from there.

Prime Blend requires the same settings I need to get IBT Stable. So it might be the RAM and the CPU NB that boggle IBT. I did notice a good stability with the GFlops results upping my CPU-NB Voltage to 1.5.

EDIT:

Should've mention, I am already soaring a new CPU-NB territory now. 2700 MHz. Which was previously unstable with my HyperX Genesis, even 2500 is. And weather's getting cooler and cooler here with 25C and lower. biggrin.gif
Edited by mus1mus - 1/18/15 at 5:43pm
post #45587 of 67911
My rig is acting weird.....will pass Realbench in a 30min loop but hard locks 10 seconds into it...
 
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post #45588 of 67911
post #45589 of 67911
Ok,i revert it back to stock and start from scratch and i manage to get 5Ghz.
Only on high for this time but you will see what is chip capable of.

So,FX8370 @5Ghz with 1,44vcore (max full load 1,464v)

I must fine tune it yet. This is initial results.

post #45590 of 67911
does anyone know the max nb ht temperature before it starts to throttle?
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