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AMD Athalon II X4 640 @ 3.4 As good as it gets? - Page 6

post #51 of 85
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I am surprised your Cpu is getting so hot. I just did 5 IBT @ 1.49 and my temps where less than 50c by a small margin, but that's not too bad considering I have a smaller cooler. The TX3 is a 3 pipe version of the 212+ that can fit in a Micro Atx case, so its not as tall. Maybe it the Hyper 212 you have? I had on on my last rig with an x2 5900 and it + a couple of 9800gt's where better than a space heater.
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post #52 of 85
Gah, even at 1.485 p95 shows the disorganized core structure 2hrs in and then BSODs a few minutes later. No one has any idea about VDDNB and no it is not the NB voltage. I'm at 1.52 but with LLC that is now the max voltage this thing will do in the OS. For some reason with LLC my voltage can drop now a full .05 but will not rise. It's the opposite of what I had without it.

My temps max out at 49-50 for the cores but the socket reported 55 for 1 second.

@Cook: what are the core voltage, NB speed, and HT speed you're using? Did you pass 8hrs of p95 yet?
     
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post #53 of 85
Thread Starter 
Quote:
Originally Posted by Rookie1337 View Post
My temps max out at 49-50 for the cores but the socket reported 55 for 1 second.
your good, reapply the tim, that's what they always say.

Quote:
Originally Posted by Rookie1337 View Post
@Cook: what are the core voltage, NB speed, and HT speed you're using? Did you pass 8hrs of p95 yet?
I used 1.531 vcore when I ran 3.6 for 7 hours. My NB Speed and HT are 1920 using a 8x mult.

I did some searching and I think VDDNB is IMC which is the Memory controller on the chip? Here is a bunch of rambling that made several references between the two. I read through other sources as well and Think it is indeed the IMC, just not 100% sure what the acronym is for I think it is Integrated Memory controller.
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post #54 of 85
Reapply the TIM? I don't want to hear that, putting this huge fan in once was enough of an annoyance to last my lifetime.

Have you tried raising the NB speed higher without raising the HT? Also, I've noticed everyone saying don't run the HT beyond 2000 yet my board says that it can handle an HT of 2600. WTH?

Thanks for digging around on the VDDNB issue. I'll have to do some more myself since I don't think the Intel settings are the same.

I'm thinking the whole reason the Athlons are more difficult to get past 3.5-3.6 is because of the need to raise the reference clock. Hence why at the same voltage we get less compared to the BEs. I've seen people make (not sure if they were 8hrs stable though) 255 reference clock and full multipliers with my board but at 1.55-1.6v. I guess I just expected to not need so much voltage since my defaults only required 1.31 or 1.32 for stock. I just didn't expect my OCing to be so time consuming. I'll be back probably tomorrow with results. Wish me luck.
     
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post #55 of 85
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Okay, I am back on the war path today. I am determined to get stable at 3.75. I just cannot leave good enough alone. I may need to start a new thread but I think I will just use this considering the history included. I have done some research on my mobo and voltages in general and have made some adjustments. I have pushed the NB voltage up to 1.2 and the NBVDD up to 1.2 as well. Now I am at 3.75 with vcore @1.51. A little better I would like to be in the 1.4's but I am working on it.

After running prime and IBT I get the same Bsod with error 0x00000124. This error is related to the nvidia network driver so I thought hey, I will disable that and see what happens. And low and behold I have 3.75 stability.....but no internet.

Does anyone think sticking a pci 1x network card would remedy my woes?
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post #56 of 85
Nope. It's an error of miscommunication between the part in question and the CPU through the mobo. You're not really stable if you have to disable parts that are on the mobo. Trust me, I don't even have to run p95 anymore to know when an OC is unstable. If you're having problems with your network setup, hard drives, or disc drives then you're not stable. Perfect example: tried installing a steam backup that I had on a CD when I was at 3.6GHz and the drive kept telling me the file didn't exist even though it was showing it on the disc in windows. Drop back to defaults and *poof* disc autostarts this time like it should and the file runs without a hitch. I then go back up to 3.6 thinking I had a fluke and what do you know, my download speeds are on/off (500KB/s on second and then nothing for 30)like a 4 year screwing with the light switch. Go back to defaults and I'm hitting 500KB/s max with a constant level between 150-350KBs. Not to knock p95 (IBT I'm not going to use or recommend since you can pass one day and fail the next) but some people don't want to wait hours on end listening to their fans run on max trying to keep the CPU from burning out.

Usually after the system settles within 1 to 2 hours of just doing things in windows if your OC is unstable there will be signs. Right now I've kind of given up myself since know one has definite answers on VDDNB or LLC and the fact that the internal core temps reported by my CPU are inaccurate (I have to add the 15C offset in Coretemp99.8) I'm thinking as blasphemous as this sounds; I will only OC with BEs or Intels in the future. There's someone trying to help so I'll let him lead me around with my board specifically but I'm not holding my breath. I might however see how low I can take the voltage and still have 3GHz stable. I wish you luck with your attempts.
     
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post #57 of 85
Just did a build for a friend with the Athlon II X4 640, on the ASUS M4A88T-V EVO/USB3 / 2x2GB Ripjaws 1333MHz 7-7-7-21 / 550w OCZ, and I just can't get stable above 3.5GHz. I mean even 3.5GHz requires 1.51v. Seems ridiculous. I have an Athlon II X2 240, and doing 3.8Ghz stable on it at 1.52v.
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post #58 of 85
Thread Starter 
Quote:
Originally Posted by Diabolical999 View Post
Just did a build for a friend with the Athlon II X4 640, on the ASUS M4A88T-V EVO/USB3 / 2x2GB Ripjaws 1333MHz 7-7-7-21 / 550w OCZ, and I just can't get stable above 3.5GHz. I mean even 3.5GHz requires 1.51v. Seems ridiculous. I have an Athlon II X2 240, and doing 3.8Ghz stable on it at 1.52v.

Another one slamming the glass ceiling.

I am beginning to think I should have gone with the phenom, and If I can find one for a deal or a steal I just might.

Quote:
Originally Posted by Rookie1337 View Post
like a 4 year screwing with the light switch.
I know what you are talking about. When I boot in and I know its going to be unstable my network meter wigs out and looks like all the letters and lines fell to the bottom of the gadget. Before I realized that my ram voltages needed to be kicked up to 1.65 I had a CRC error every time I tried to install something from a CD or a Download. I messed up a pretty large collection of ISO's at 3.33GHZ with unstable ram. Luckily I still have the DVD's. I guess anyone who bought the 640 may get to borrow your nick name : Murphy's Law, as it always applies to overclocking and AMD Athalon II X4 640.
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post #59 of 85
Quote:
Originally Posted by Diabolical999 View Post
Just did a build for a friend with the Athlon II X4 640, on the ASUS M4A88T-V EVO/USB3 / 2x2GB Ripjaws 1333MHz 7-7-7-21 / 550w OCZ, and I just can't get stable above 3.5GHz. I mean even 3.5GHz requires 1.51v. Seems ridiculous. I have an Athlon II X2 240, and doing 3.8Ghz stable on it at 1.52v.
I'm starting to think these 640's are seriously screwed up clockers. I mean I've got a really bad stepping on my 630, and I can pull 3.7GHz easy with it stable.
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post #60 of 85
Thread Starter 
Quote:
Originally Posted by pioneerisloud View Post
I'm starting to think these 640's are seriously screwed up clockers. I mean I've got a really bad stepping on my 630, and I can pull 3.7GHz easy with it stable.
Yep. I am 3.6 stable and pretty sure there is no more room to go.

I should start a thread called

[Official]- Disappointed with the Athalon II X4 640
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