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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 605

post #6041 of 67492
Quote:
Originally Posted by ComputerRestore View Post

@ CrazyLefty
Not sure if Lapped your CPU on your table in the picture, but the most effective way is on Glass. Glass is very smooth and as an insulator will prevent your CPU from being damaged by static electricity built up from the sanding motion. Static electricity will build up hundreds of thousands of volts, so even a ground strap is a good idea too.
But great work none the less. I lapped my FX 8150, and it is a ton of work to get to where yours is. That layer of Tin is suprisingly thick.
I didn't hear anything back from AMD yet about my CPU (Tracking showed it showed up there on the 14th) So I submitted another ticket, asking about my other ticket. Like magic I got an email back today saying I will be receiving a replacement, wohoo. I'm curious as to what they actually found, but I'm sure they wont say.



Yeah it was done on a piece of mirror taped down to the table.
I didn't even think of a grounding issue, but honestly I've lapped a few other CPUs with no issues, and can't tell you how much hardware i've installed in less-than-ideal situations with no effects.
I understand that it is a potential risk, I have just never seen it (that I'm aware of).
The tin was tough, I think i even contemplated going really low, like a 220 grit or something, cause it was taking SO long to get through it. And I was already spent from doing the heatsink. Think I may remove it and lap it a bit more, just, because. wink.gif
Thanks
post #6042 of 67492
I stablized my oc at 4.75 mhz...since then when i benchmark with 3dmark 11 it say my cpu is not recognized due to missing information......this cost me 200 points on the physic scores.Someone know why?
post #6043 of 67492
Quote:
Originally Posted by bios_R_us View Post

Hi everyone,
Did any of you notice the CPU voltage resetting to default settings while stress testing? It happened to me before, don't know how it went away, but now it's back after a windows reinstall and I can't get rid of it.
I set my volts to 1.325 in BIOS (default VID is 1.375) and speed to 4200 .. when I stress test the cpu voltage stays at around 1.344 under load which is what I'd expect with LLC on, but after a couple of minutes it jumps to 1.404 (which is what default volts + LLC reach). Even if I stop stress testing, all voltages (all P states) are reset to default settings instead of the -0.05 that I've set in BIOS). Does this after every restart...
If you've ran into this before or have any idea, please let me know.
CnQ is on, everything else that is power related is off. And I know for a fact that it's not CnQ doing this since I've used CnQ before on this same CPU and the issue was not there. It's most likely soft related? If I open AOD and set the voltage back to what I wanted it, it stays that way and doesn't reset (until the next reboot ofcourse).
Please help :-)
FX-8350 / 990fx-ud3 FE BIOS.

And if I leave the volts to 1.375 in BIOS under stress it jumped to a whooping 1.475. Please help frown.gif
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post #6044 of 67492
Quote:
Originally Posted by bios_R_us View Post

Quote:
Originally Posted by bios_R_us View Post

Hi everyone,
Did any of you notice the CPU voltage resetting to default settings while stress testing? It happened to me before, don't know how it went away, but now it's back after a windows reinstall and I can't get rid of it.
I set my volts to 1.325 in BIOS (default VID is 1.375) and speed to 4200 .. when I stress test the cpu voltage stays at around 1.344 under load which is what I'd expect with LLC on, but after a couple of minutes it jumps to 1.404 (which is what default volts + LLC reach). Even if I stop stress testing, all voltages (all P states) are reset to default settings instead of the -0.05 that I've set in BIOS). Does this after every restart...
If you've ran into this before or have any idea, please let me know.
CnQ is on, everything else that is power related is off. And I know for a fact that it's not CnQ doing this since I've used CnQ before on this same CPU and the issue was not there. It's most likely soft related? If I open AOD and set the voltage back to what I wanted it, it stays that way and doesn't reset (until the next reboot ofcourse).
Please help :-)
FX-8350 / 990fx-ud3 FE BIOS.

And if I leave the volts to 1.375 in BIOS under stress it jumped to a whooping 1.475. Please help frown.gif
I don't have this board, I can't really help. However, this looks rather concerning to see that your voltages jumps that much. If your board has a Digi+ LLC, check if your setting is at Extreme. This setting is generally bad for non-LN2 cooling since it gives rather extreme voltage jumps. Mine's at Very High, but I could get a way with "High", probably.

On the other hand, 4.2GHz seems a rather low target.
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post #6045 of 67492
Quote:
Originally Posted by hotrod717 View Post

I agree that I'm pushing it, but have worked my way up to that and haven't had any heat issues or otherwise. If I was content to get 2000mhz, 1.5v would be fine. People who push the envelope are the ones that seem to have the breakthroughs. If nobody tries, how are you to know? thumb.gif Let me check.....yep my pants say big boys. smile.gif

Oh, I completely agree with you that it's good to push the envelope.
When I saw "Samsung" and "try 1.65v" in the same sentence though, I nearly shat. That'd be like saying, "hey, try that Piledriver at 1.8v on Air" (just due to it being so high above the max rated voltage of 1.5v)

What are you OCing that Ram to at 1.65v? My guess would be 3000Mhz @ 9-9-9-21 1T
Edited by ComputerRestore - 12/22/12 at 4:54pm
post #6046 of 67492
Quote:
Originally Posted by Tarnix View Post

I don't have this board, I can't really help. However, this looks rather concerning to see that your voltages jumps that much. If your board has a Digi+ LLC, check if your setting is at Extreme. This setting is generally bad for non-LN2 cooling since it gives rather extreme voltage jumps. Mine's at Very High, but I could get a way with "High", probably.
On the other hand, 4.2GHz seems a rather low target.

4.2GHz is a low target because my cooling doesn't take it all that well, and I'd rather have a cool chip at 4.2 instead of a hot one at 4.5 Anything above 1.4v is too hot for my cooler, and I could get 4343 stable at 1.375 and LLC to High but temps were reaching 62c on the cores in stress tests.. I'd rather have them at cooler for 134MHz :-) My LLC was set to medium when I was having the problem earlier... which ruined my day.

In the end I found out what it was. It may be stupid, but it may also help someone. I would always set CPU WARNING TEMP to 60C ... apparently when socket temps reached 60C, it would set my voltage to AUTO or something like that. It would mess with it anyway. Now it's running just fine, voltage is between 1.36 and 1.376 with LLC to medium and 1.35v in BIOS.

I've been tinkering and reinstalling all day.. about 10h spent until it just hit me... that darn CPU WARNING TEMP.

Good luck and good night.
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post #6047 of 67492



gpu is@1300 mem+ 420. Probably will overclock more to see what I get.
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post #6048 of 67492
Well, finally almost have a stable OC! *knock on wood* Unfortunately I have a wall at 4.6Ghz and no matter if I go multi or bus no amount of volts gets me stable in OCCT or Prime95 past it(both either crash instantly, or I get a hard lockup). So here is my first solid attempt at 4.6 (if this is stable I'll try dialing down a few volts). Any critiques or issues? (my 12v looks awfully close to spec, but hopefully some wire wiggling may solve it?) I will try benching Cine and Aida64 memory later to compare 4.6 with straight multi and this one. And I think my DRAM was set to 1.37v.



*Edit* Question, is Prime95 hard on memory? Or should I use memtest to make sure it is stable?

*Edit again* Ambient is 25 in the room
Edited by Darius Silver - 12/22/12 at 5:36pm
 
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post #6049 of 67492
Quote:
Originally Posted by Darius Silver View Post

Well, finally almost have a stable OC! *knock on wood* Unfortunately I have a wall at 4.6Ghz and no matter if I go multi or bus no amount of volts gets me stable in OCCT or Prime95 past it(both either crash instantly, or I get a hard lockup). So here is my first solid attempt at 4.6 (if this is stable I'll try dialing down a few volts). Any critiques or issues? (my 12v looks awfully close to spec, but hopefully some wire wiggling may solve it?) I will try benching Cine and Aida64 memory later to compare 4.6 with straight multi and this one. And I think my DRAM was set to 1.37v.

*Edit* Question, is Prime95 hard on memory? Or should I use memtest to make sure it is stable?
*Edit again* Ambient is 25 in the room

Have you changed CPU overcurrent protection? I had that issue on my CHVF, increasing it from 100% to 140% fixed the issue. At about 1.475v, it always locked up no matter the frequency I ran it at. (i.e. stock speed with that voltage just to check.)
post #6050 of 67492
Quote:
Originally Posted by m0bius View Post

Have you changed CPU overcurrent protection? I had that issue on my CHVF, increasing it from 100% to 140% fixed the issue. At about 1.475v, it always locked up no matter the frequency I ran it at. (i.e. stock speed with that voltage just to check.)

Overcurrent protection? I haven't seen that before. I'm running on a M5A97 would I have that option? I have the same issue with my FX 8350 @ 4.6Ghz at pretty much the same volts.
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