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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 1394

post #13931 of 67492
Quote:
Originally Posted by p2mob View Post

Welcome, this is the exact same mobo and cpu I had previously to upgrading. I successfully ran it stable at 4.5ghz at 1.4vcore 1.2v cpu/nb. 2200mhz nb and 2400mhz HT, this board wont do 2600. Make sure to set your ram at 1.55v as its under volted on this motherboard.
I have ran a cpu @ 4.8 1.525v on this board under closed loop water but the temps were too high. I think due to weak north bridge that would be just so hot I couldnt lay a finger on it.


Later i upgraded to another 8350 and Asus Crosshair V formula-z. It was a huge upgrade..maybe down the road u can get that sweet mobo as well I highly recommend it.

You want to stay under 72c for the socket CPU temp and under 62c for the core temp. A lot of times you will run into an issue as to where your core temp is around 45 but your socket temp over 70. By putting a small fan blowing air onto the Northbridge you lower the socket temps by 10c.

Also if your case can fit 280mm rad get Corssair H110.


wow... thanks p2mob, your info about ram undervoltage really a news to me. i'll make sure to follow your advice, since i'm only running my RAM @ 1600 all auto right now. btw, is that correct that the default vcore for these board is 1.380? i follow mega man instruction to disabled turbo core and restart to see the default vcore in bios, and that's what display in there. but i currently set it to 1.4000 because in windows if i set manual to 1.380 it's always read to 1.356, so if i set to 1.4000 it will read as 1.380.

another question, why the vcore & core speed in cpu-z always fluctuation? although i already turn off everything like turbo, cool & quiet, C1E, SVM, Core C6 State. it fluctuate only for small amount, like 1.320, 1.356, 1.368, and back to 1.380 back and forth. the core clock only fluctuate in even smaller scale like 3511.66, 3511.73. 3511.83 and so on. is this considering normal?




and.. what tools can i use in windows to check the ram voltage? i didn't see it on aida64 or hwinfo?

** ah my bad... it's there in aida64 in DIMM ^^

it says 1.456, and fluctuate but never touch 1.500. seems you are right about undervoltage.
Edited by madorax - 5/13/13 at 11:13pm
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post #13932 of 67492
Quote:
Originally Posted by madorax View Post

wow... thanks p2mob, your info about ram undervoltage really a news to me. i'll make sure to follow your advice, since i'm only running my RAM @ 1600 all auto right now. btw, is that correct that the default vcore for these board is 1.380? i follow mega man instruction to disabled turbo core and restart to see the default vcore in bios, and that's what display in there. but i currently set it to 1.4000 because in windows if i set manual to 1.380 it's always read to 1.356, so if i set to 1.4000 it will read as 1.380.

another question, why the vcore & core speed in cpu-z always fluctuation? although i already turn off everything like turbo, cool & quiet, C1E, SVM, Core C6 State. it fluctuate only for small amount, like 1.320, 1.356, 1.368, and back to 1.380 back and forth. the core clock only fluctuate in even smaller scale like 3511.66, 3511.73. 3511.83 and so on. is this considering normal?




and.. what tools can i use in windows to check the ram voltage? i didn't see it on aida64 or hwinfo?

** ah my bad... it's there in aida64 in DIMM ^^

it says 1.456, and fluctuate but never touch 1.500. seems you are right about undervoltage.

that is called vdrop. it is normal and what llc is for ( some giga boards dont have llc. )

if it fluctates by that small of amount i would not worry about it that would be your fsb and a small flux is normal i do believe. also it could be just margin of error .

some flux in volts is also normal. as long as it is not huge swings you should be ok
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post #13933 of 67492
Quote:
Originally Posted by FunkyPresident View Post

4.9 seems like a lot on air, but I've heard good things about Noctua coolers. Myself, I'm really paranoid about it. I'm using this machine for production and I haven't taken it over 4.5 for fear of being down a workstation. I can see that I'm going to need to put another machine together soon, so I can push one to it's limits. OCing is turning out to be fun! I've built systems for many years, but I'm new to this. Does your board have anything like HPC? From what I understand, it keeps the CPU from throttling under load. That could be good or bad in my estimation. If temperatures are in the proper range, it would make sense to have it on, as not to loose performance. If temperatures are high, it could cause overheating problems.

I've basically got the best case fans ( that wouldn't deafen me) and consumer heatsink on the market, so I can push the CPU to its' limits on air. With exceptional air cooling like mine you could get to 5 Ghz, maybe a bit more, DEPENDING on whether you get the right CPU, ie the silicon lottery. The FX-8350 can go up to 4.8 without any voltage change. After that is when the wall starts, and it can be pretty steep. I've basically given up on trying to roll the dice past 4.9 and seeing if I can find a tiny island of stability. This is already the best and fastest CPU I've ever owned, so I really don't have much need for more power, even if it would be nice to have. Besides, I don't have my 1440p screen yet so I can't push it with gaming much more.
Quote:
Originally Posted by FunkyPresident View Post

I've heard the 250s are gigantic. I bet your glad to be rid of it. I was considering a 580, because Fermi based chips have great CUDA performance, but I bought this 670 instead. It is an OEM model and was a great deal. I don't think I can overclock it with Linux, but it handles everything very well at stock. I only wish it would render animation, using CUDA, a little faster. I'll probably get a Titan soon. It has the same chip as the NVIDIA K20 compute cards, but cost more than $1000 less.

The 250 was an average size card from what I remember. A roommate gave it to me to use, I replaced that with this when I got the new one. It was sort of dying at the time too, lol. And back in its' box it went. biggrin.gif

I can't find any good reason to buy a new video card yet; I'll be buying the new speakers and RAM this and next month; and after that I'll be saving the rest of the year to buy an Ivy Bridge E and Rampage 4 Extreme at the NCIX Boxing Day sale. I don't have the 1440p monitor I want yet, and with those other parts on the list, I can't justify throwing money at a card I'd be disapponted in later. If I didn't have other stuff on the wanted list I might buy a Titan, but I would want 3 for triple-screen, and unless I did something to improve my income, the moon would fly off into space before I could afford 3 $700 monitors and 3 $1100 video cards. XD I'll focus on getting a better chip and board, new speakers and RAM, then after I turn my attention to some other spending, new monitor and maybe new video card. Unless I get my tax refund this year, by then it'll be a year from now. Sigh.

I'M NOT ADDICTED, I SWEAR I CAN QUIT ANY TIME! biggrin.gif

Just remembered after I clicked the submit button; last night my PC shut off again; maybe it still has some dust in the PSU. How would people suggest cleaning it out without opening it and voiding the warranty? Compressed air canister aimed through the top fan, with the fan held in place? Or from the back side?
Edited by OverclockerFox - 5/14/13 at 1:22am
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post #13934 of 67492
Quote:
Originally Posted by OverclockerFox View Post

Just remembered after I clicked the submit button; last night my PC shut off again; maybe it still has some dust in the PSU. How would people suggest cleaning it out without opening it and voiding the warranty? Compressed air canister aimed through the top fan, with the fan held in place? Or from the back side?

hoover or you guys call it a vacuum, small paint brush and lots of blowing!

as ever be careful and do it at ya own will, i done this on an old psu where there was huge amounts of dust, worked great!
post #13935 of 67492
Quote:
Originally Posted by F3ERS 2 ASH3S View Post

I dont think ill get that high but im only on 2 dimms and im sure price/speed mine is cheaper haha or was
Tell me about it.. I need to keep an eye on dust when I added the 2 fans I can a good share of dust on the inside of my rad

i don't know much were to post this besides a new thread but off chance someone here what is safe temp for ram?

I was teasing you a bit. That Maxx mem score (23.8Gb\s) has to be bugged ( unintentionallly), it would be a world record if it weren't. smile.gif

You've done very well getting the most from the ram you have, awesome job man!

I have some older OCZ DDR3 that is rated at 7-7-7-21 @ 1800 mhz 1.95 Volts -EVP. I would love to try it with the CHV-Z/8350 setup sometime , but I wonder if the high voltage it requires would be hard on the IMC or other system components? Anyone have an opinion on that?
I have gotten it to run 6-6-6-18 @ 1500 mhz with a Thuban on a 790FX GD-70, curious how much further a Vish could take it.
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post #13936 of 67492
Hey guys,

I've come upon a solution that seems to be useful for day to day use / gaming if you're not using the PC for rendering or something like that, in which case if would most likely not benefit the speed boost due to throttling.

I'm using AOD overclock profiles with the following settings:
Speed 4 GHz / Turbo1 4.5 GHz / Turbo2 4.8 GHz. Voltages are 1.325 / 1.4 / 1.435

Under full load the CPU would not be stable at 4.8 and 1.435v, but since it's the turbo state used when not all cores are used, it seems to be stable and temps don't go above 55 under full load on my modest air cooler.

So I get 4.8 on lightly threaded workloads, 4.5 on multithreaded as long as it stays in the designed TDP and then 4 GHz when under extreme load. I've tested with normal use and AOD stress test for the 4.8 turbo, since IBT and Prime will not ramp up to turbo speeds due to the heavy load. I may try prime with just one or two workers running and binding their afinity to a single core each, that may also be relevant.

There's nothing extreme in this, but if you're limited by the cooler as I am, it may be a good compromise to get the most out of your CPU..
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post #13937 of 67492
Quote:
Originally Posted by cssorkinman View Post

Warning: Spoiler! (Click to show)

Ran at 1.284 for 10 min then dropped to 1.24 until that screenie. I tried 1.22V and got an error on core 8 mad.gif

We must have similar chips core 8 failed on me @ 1.22 also that's why I stopped there.
On a side note :

I think I'm going to start my oc over from here without using auto llc on cpu/nb.
I was able to do 4.9 at 1.45 max load vcore on my old profile, but my cpunb was reaching 1.31.
IBT was within thermal at 56c max small ft for 2 hours was only 51c and then 1024k blend kept putting me @ 61c core.

I'm now using this heatsink http://www.newegg.com/Product/Product.aspx?Item=N82E16835186059
with a 4k rpm 120mm fan on it and 4x 2k+ 120's in a channel spaced every 5 inches from under my dvd drive all the way to the back of my case.

I think i should at least be able to get 5.0 within thermal if reasonable cpu/nb voltage.
Edited by Vencenzo - 5/14/13 at 4:55am
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post #13938 of 67492
Quote:
Originally Posted by d1nky View Post

hoover or you guys call it a vacuum, small paint brush and lots of blowing!

as ever be careful and do it at ya own will, i done this on an old psu where there was huge amounts of dust, worked great!

vaccum lol come on man this is america its called a maid rolleyes.gif or most likely its Nanny thumb.gif

Quote:
Originally Posted by cssorkinman View Post

I was teasing you a bit. That Maxx mem score (23.8Gb\s) has to be bugged ( unintentionallly), it would be a world record if it weren't. smile.gif
Warning: Spoiler! (Click to show)
You've done very well getting the most from the ram you have, awesome job man!
I have some older OCZ DDR3 that is rated at 7-7-7-21 @ 1800 mhz 1.95 Volts -EVP. I would love to try it with the CHV-Z/8350 setup sometime , but I wonder if the high voltage it requires would be hard on the IMC or other system components? Anyone have an opinion on that?
I have gotten it to run 6-6-6-18 @ 1500 mhz with a Thuban on a 790FX GD-70, curious how much further a Vish could take it.


Doesn't it feel great to tease people lol though with myself people take me the wrong way and i end up in the crapper wink.gif
Quote:
Originally Posted by bios_R_us View Post

Hey guys, Warning: Spoiler! (Click to show)
I've come upon a solution that seems to be useful for day to day use / gaming if you're not using the PC for rendering or something like that, in which case if would most likely not benefit the speed boost due to throttling.

I'm using AOD overclock profiles with the following settings:
Speed 4 GHz / Turbo1 4.5 GHz / Turbo2 4.8 GHz. Voltages are 1.325 / 1.4 / 1.435

Under full load the CPU would not be stable at 4.8 and 1.435v, but since it's the turbo state used when not all cores are used, it seems to be stable and temps don't go above 55 under full load on my modest air cooler.

So I get 4.8 on lightly threaded workloads, 4.5 on multithreaded as long as it stays in the designed TDP and then 4 GHz when under extreme load. I've tested with normal use and AOD stress test for the 4.8 turbo, since IBT and Prime will not ramp up to turbo speeds due to the heavy load. I may try prime with just one or two workers running and binding their afinity to a single core each, that may also be relevant.

There's nothing extreme in this, but if you're limited by the cooler as I am, it may be a good compromise to get the most out of your CPU..


If it works it works nothing more you can do......is my philosophy
Edited by gertruude - 5/14/13 at 5:12am
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post #13939 of 67492
Imo gertuude it's better to get advice even if they seem call me a noob in process than receive no helpful comparisons at all tongue.gif
Everyone has different skill levels on these types of forums, so it's hard not to sound condescending sometimes.
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Seagate barracuda Samsung 840 evo Random LG dvd writer/reader NZXT Kraken x60 
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3x 120mm, 4x 140mm, 1x 80mm Windows 7 Ultimate Hanns G 32" Dell 24" sharp 
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Saitek Cyborg Evga supernova 1300 gs Ikonik mid tower Mx518 
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Wow headset 
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post #13940 of 67492
Quote:
Originally Posted by Vencenzo View Post

Imo gertuude it's better to get advice even if they seem call me a noob in process than receive no helpful comparisons at all tongue.gif
Everyone has different skill levels on these types of forums, so it's hard not to sound condescending sometimes.

I suppose u r right lol, though id never call anyone a noob on here, though i might if i knew them redface.gif
My Rig
(11 items)
 
  
CPUMotherboardGraphicsRAM
FX-8370 asus sabertooth 990fx R9 290 DC2 kingston hyper x beast 1866 
CoolingOSMonitorKeyboard
fractal design kelvin s36 windows 10 pro Acer G245HQ Saitek Cyborg V5 
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EVGA SuperNOVA 1000 G2 Corsair Graphite series 780T corsair m90 
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My Rig
(11 items)
 
  
CPUMotherboardGraphicsRAM
FX-8370 asus sabertooth 990fx R9 290 DC2 kingston hyper x beast 1866 
CoolingOSMonitorKeyboard
fractal design kelvin s36 windows 10 pro Acer G245HQ Saitek Cyborg V5 
PowerCaseMouse
EVGA SuperNOVA 1000 G2 Corsair Graphite series 780T corsair m90 
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