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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 595

post #5941 of 66958
I just did this quick, didn't even disable antivirus etc programs.

Stock 8350 with 2000MHz ram and somewhat overclocked gtx 680



5016MHz FX 8350 with 2000MHz ram and somewhat overclocked gtx 680


Same on catzilla

Edited by EkseF - 12/20/12 at 1:57am
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post #5942 of 66958
Well this CPU isnt going to get 5Ghz stable, lol



BIOS Settings

CPU Voltage:
CPU VDDA: 2.8v
CPU LLC: Extreme
CPU VOCP: Disabled
CPU Voltage Frequency: Auto
CPU PWM Mode: Extreme

CPU NB Voltage: 1.30v
CPU NB LLC: Auto
CPU NB VOCP: Auto

Hugh jump in voltage under load from BIOS setting!

Has anyone else confirmed that the combo of CPU LLC: Extreme + CPU VOCP: Disabled is the cause of this.

I.e. in that DIGI+ estimates this is what is required to keep the CPU stable ??

CPU needs over 1.6v to stay *stable* at 4900mhz.

Another FX-8350 is on the way, hope its better than this one, will find out after the New Year !

Thats 10 runs complete at 4900 mhz max Package temp was 62C....
post #5943 of 66958
Digi+ at extreme is not recommended. It gives stupid high voltages. Try "very high" ?
Also, your temps are crazy! at 5.0GHz I fail to produce correct floats (IBT with AVX) but my temps aren't above 55!

P.S.: Stop OC'ing only with CPU multiplier... 250FSB is a good spot.
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post #5944 of 66958
Thread Starter 
Quote:
Originally Posted by Tarnix View Post

Digi+ at extreme is not recommended. It gives stupid high voltages. Try "very high" ?
Also, your temps are crazy! at 5.0GHz I fail to produce correct floats (IBT with AVX) but my temps aren't above 55!

P.S.: Stop OC'ing only with CPU multiplier... 250FSB is a good spot.

His temps are fine.

Also, every CPU is different, just because you can hold an FSB of 250 doesn't mean he can. FSB deadzones are something each person has to find on their own.
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post #5945 of 66958
I don't see how 75°C is fine. but okay O__o
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post #5946 of 66958
Quote:
Originally Posted by Tarnix View Post

I don't see how 75°C is fine. but okay O__o

The socket is at 75 but the core is at 61 - 62 he is fine... Just !
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post #5947 of 66958
Quote:
Originally Posted by Tarnix View Post

Digi+ at extreme is not recommended. It gives stupid high voltages. Try "very high" ?
Also, your temps are crazy! at 5.0GHz I fail to produce correct floats (IBT with AVX) but my temps aren't above 55!
P.S.: Stop OC'ing only with CPU multiplier... 250FSB is a good spot.

Thanks for confirming the DIGI+ characteristics with me. From what ive read here 62C is the max recommended package temp.
Quote:
Originally Posted by KyadCK View Post

His temps are fine.
Also, every CPU is different, just because you can hold an FSB of 250 doesn't mean he can. FSB deadzones are something each person has to find on their own.

Thanks for confirming the temp thing, also, I didnt think there was a reason to try different fsb/multi combinations, is there data that shows it could have different results with regards to clockspeed ?
Quote:
Originally Posted by Stoffie View Post

The socket is at 75 but the core is at 61 - 62 he is fine... Just !

Yup really pushing the limit here as was wanting to put the CPU right on the edge, but the temps arent suprising 1.62v, LOL, biggrin.gifbiggrin.gif
post #5948 of 66958
Quote:
Originally Posted by F3ERS 2 ASH3S View Post

http://www.overclock.net/t/1331219/fx-83xx-data-collection-thread
theres only one but for a low OC doesn't seem like its bad.. but don't know the upper limits
EDIT and I just got my raystorm!!
Ur going to love that raystorm! I imagine you did your homework and already know that it's definately in the top 3 performing wb's. Definately the best priced. The tim that comes with it is pretty decent. I've gotten the same temps from AC5 and only a degree or two better with gelid xtreme.
    
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post #5949 of 66958
Thread Starter 
Quote:
Originally Posted by mongoled View Post

Quote:
Originally Posted by Tarnix View Post

Digi+ at extreme is not recommended. It gives stupid high voltages. Try "very high" ?
Also, your temps are crazy! at 5.0GHz I fail to produce correct floats (IBT with AVX) but my temps aren't above 55!
P.S.: Stop OC'ing only with CPU multiplier... 250FSB is a good spot.

Thanks for confirming the DIGI+ characteristics with me. From what ive read here 62C is the max recommended package temp.
Quote:
Originally Posted by KyadCK View Post

His temps are fine.
Also, every CPU is different, just because you can hold an FSB of 250 doesn't mean he can. FSB deadzones are something each person has to find on their own.

Thanks for confirming the temp thing, also, I didnt think there was a reason to try different fsb/multi combinations, is there data that shows it could have different results with regards to clockspeed ?
Quote:
Originally Posted by Stoffie View Post

The socket is at 75 but the core is at 61 - 62 he is fine... Just !

Yup really pushing the limit here as was wanting to put the CPU right on the edge, but the temps arent suprising 1.62v, LOL, biggrin.gifbiggrin.gif

Sometimes, more so on Asus boards (with PD anyway), you hit a multiplier wall where it just won't get stable. Using a lower multi and higher fsb can help.

FSB deadzones are frequencies that simply do not work no matter what. My old Ph II had a dead zone of 226-239, but both 225 and 240 would work fine.

One of the most fun things about AMD cpus is finding that perfect balance between fsb and multi for the highest clock possible.
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post #5950 of 66958
trying to go balls deep on the OC on my 8350, dont think i wanna go much higher on the voltage. its only 60mins into prime blend test thou but i still wanted to post it, ill give it another few hours


asus Sabertooth 990fx v1
Bus freq: 200mhz
muliti: 25x
CPU LLC: Ultra high
CPU Current capability: 130%
CPU voltage freq: Auto
CPU Phase: Auto
NB LLC: High
NB Current capability: 100%
Ram: 16g g skill running at 1866mhz 9-10-9-28-39

the rig in question

i did have to end up wiring up a 92mm GPU fan to cool my NB, my vcore was hitting 75c+, felt like i could of fried an egg on it lol


not sure if i should start tinkering with the bus frequency, seem to be having luck with just the multiplier.
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