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AMD Athlon X4 750K - Page 3

post #21 of 40
Thread Starter 
Ram is stable right now at 1960mhz, 1.65v, 9-10-9-27-2t. If I bump up the bus, I tried the stock settings for it, which is 1600mhz, 9-9-9-24-2t, but no joy, running both stock 1.5 to 1.65 volts.. I know there is more performance to be had, as it is barely breaking a sweat with temps at 4.4ghz.. I must be missing something some where, and want to see this bad little processor run 24/7 at 4.6-4.8ghz, which should be attainable, as I have had it boot into windows at 4.8ghz, but it drops out and freezes running IBT.. Oh, and right now, I miss quoted a tad on temps, at full load right now, I am hitting 52c on the chip. I have found that MSI click bios 2 is the best for reading the temps, as HWmonitor runs about 10-15c higher, and it bounces crazier than a chimp on speed.
Edited by agrims - 6/25/13 at 6:15am
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post #22 of 40
What is the voltage set to for the cpu? Right now I'm oc'd to 4.47GHz at 1.45v and 1.47v under load on my 5800K.
post #23 of 40
you should try all over again incase you missed something, I know on mine it took allot of trial and error before I dialed it right for 24/7.

Back your cpu off to stock along with your bclk.

Then take your CPU/NB to 2200mhz I know you can go higher but when the cpu gets to a higher clock it gets unstable, that should be stable to 4.6-4.7 idk as I cant go higher on mine. BTW to low on this and your RAM wont be stable at higher clocks just FWI, I know 2200 is good all the way till 2400mhz RAM.

Clock your Ram in at 1866 and check for stability till its just right. THEN YOU work on your cpu again. Try 4.2 with your volts at stock, then raise till it boots to windows and is stable. Keep raising the cpu and volts like this till you get the desired clock rate.

Next you work on your RAM Again I find the closest you can get to 2133mhz is the best performance.

BTW for those with an IGPU increasing the gpu volts doesnt seem to help stability but increasing the CPU/NB volt does, IDK? there tied together so whatever.

Good luck my friend and have fun!!! smile.gif
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post #24 of 40
Thread Starter 
Thanks for all of the help, but I guess that I have reached the limit of this processor. There are people that have attained 4.8 stable, but this one refuses to go higher than 4.410ghz. I believe that this combo is very finicky, as right now, I am running 1.5v, which reads 1.496v in CPUZ. I got it stable this am working on 1.55v to 4.5ghz, 100 bus, but it was throttling like it was no tomorrow, IBT was running 51-54s per run at that voltage and speed, and with the same settings everywhere else.

This must be a poorly binned chip I guess. If it wouldn't take a month, I would RMA it, but I am stationed out here in Bahrain, and it takes a week to get there, how ever long waiting for them to make a determination, and then a week minimum back here..

BTW, if I run 100 bus, it won't boot at all, no matter how much voltage I pump into it at 4.4ghz. But if I bump the bus clock to 105, it boots and runs stable.. Go figure. I am taking 39s and 22xxxGflops per run in IBT at that setting. Also, CPU NB is set to 2210mhz, and ram is set to 1960mhz at 9-10-9-27-2T.

I have not done OC'ing in years, and to be honest, I am frustrated and wish I could call in a expert for a few hours, to see if I am missing something at all... Plane tickets are too pricey though!

Full settings in BIOS:

Bclk - 105

Multi - 42

CPU Freq - 4410.08 MHz

CPU V - 1.500v

CPU NB - 21

CPU NB Freq - 2210 MHz

CPU NB V - 1.275v

Ram - 980 MHz *2 @ 9-10-9-27-2T

Ram V - 1.65v

CPU Vdroop Offset - 100%

CPU NB Vdroop Offset - 100%

C6 State - Disabled

SVM - Disabled

Cool n Quiet - Disabled

Spread Spectrum - Disabled

Turbo Core - Disabled

Bios CPU temp - 35c Idle / 52c IBT loading

Before I hang it up and call a 1 GHz OC good, is there any further voltages, or settings that I have f-ed up here that should be changed? I know that many with the A10-5800k can't acheive 4.4Ghz stable, due to the iGPU, but I don't have that, so I am guessing that this is why I am gaining an extra 100 MHz.

Back in the day, I could clock a chip till I reached it's thermal limits, but this one stays super cozy in it's temps, and reaches it's V-max way-way-way before it reaches it's thermal max.

I put all my settings up top just want to see what anyone has to say.. Maybe I am making a old new newb mistake!.?
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post #25 of 40
Yea, I think you might have reached your max on that chip. I have an A10-5800k OC to 4.4 at 1.46-1.47v under cpuz and thats my max aswell, and I'm using a CM V6GT with Excalibur fans so temps are not a problem. I was hoping that without the IGPU you would clock higher than mine, as Ive heard of much higher OC's up to like 4.6-4.9 ghz. Though those might have been with much better cooling such as a closed loop or something.

If I was you I would back the chip off to whatever you can get at 1.47v as thats what AMD recommends for 24/7 use, you might try aswell to get the cool and quiet function working at those clocks. It should drop your power usage and definitely drop your idle temps. I say this as with those clocks the loss in performance is minimal and it will prolong the life of the chip but its up to you. BTW you can see if its working if the cores drop to like 1.4ghz and the volts drop to 1.10v when idle, I know that on mine it will work on 4.3 but not on 4.4 so I'm thinking of backing it off on mine.

I dont know if this is entirely pertinent to this conversation, but I believe that the majority of trinity chips wont clock very high because switching between powerstates is unstable. I have found while watching my cpu run prime95 100% that when all cores are running the same test the temps are as low as 46-47c and the volts to 1.45-1.46v. When one or more threads are done with that test and start a different one the temps go to 52c and 1.46-1.47v. I have watched and this kind of situation is where they become unstable aswell with lower volts they run fine untill one or more threads switches to a different task, and its usually only one core that crashes in my case its core #4 everytime. I believe that this is why richland OC's higher at less volts ONLY because its more STABLE, the performance increase to richland aswell is only because of higher clocks and stability.

I would love if someone that has an a10-6800k with all cores clocked at 4.3 or 4.4 will provide volts and benchmarks for comparison between the 5800k.

EDIT: Also I have OC'ed my IGPU aswell and I can get 1079mhz on it at stock volts, check under gpuz to check what the actual clock rate is as the gpu clock will jump in intervals only.
Edited by xXThePlague1Xx - 6/26/13 at 8:13am
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post #26 of 40
Agrims, I would back off the RAM overclock and loosen the timings to try and push your chip further. I've noticed over the years that AMD chips are quite memory sensitive when it comes to pushing the clocks.

Could be you just got a mediocre processor and it won't go past 4.4GHz. I still say try overclocking with the FSB and see how far that takes you. Good luck!
post #27 of 40
Thread Starter 
So got it to 4.5Ghz stable in IBT! It takes a heap of voltage though! 1.53v to be exact... Backed it down back to 4.410Ghz and 1.475v. Got my memory to 21xx speed though with 11-11-11-30-2t and the NB to 24xxMhz. I think I may have found my problem. It appears that MSI placed a fail safe for the CPU fail safe on the board so when you approach the heavy voltage limits. I am trying to find a work around for it.

Also, I was wondering how far raising bclk can go. If I place my multi to 40, will that affect my OC? If I place it to stock 34 multi, it takes like 140 on bus to get over 4.0Ghz...

And can anyone explain to me how in the hell at 44 multi and 100 bclk the computer won't boot, but at 42 multi and 105 bus, it boots and is stable?
Edited by agrims - 6/27/13 at 11:22am
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post #28 of 40
What do you guys use to monitor temps? For some reason Core Temp doesn't work, it tells me that the cpu is idle around 2C.While using HWmoniter mine seems to be running very hot... 45C idle and up 85C while under load or gaming...
post #29 of 40
Thread Starter 
I use the bios temp to monitor my temps. It is the most accurate for overall temp. I have found nothing else monitors accurately.
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post #30 of 40
Quote:
Originally Posted by agrims View Post

I use the bios temp to monitor my temps. It is the most accurate for overall temp. I have found nothing else monitors accurately.

What about under load? Is there anyway to see peak temps like when gaming...etc?
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