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AMD Phenom 9500 not overclocking more than 2.5ghz - Page 3

post #21 of 47
Chaos, don't expect to get a 3Ghz OC when buying a processor. To be honest it's all LUCK. The overclocks you keeping seeing around the internet are just averages.
Have you found the limits of each component? What is your memory capable of? How about the HTT (reference clock) on your motherboard? These are things I'd recommend testing first.
The L3 Errata bug in the translation lookaside buffer (TLB) only appears under certain applications which are mainly to do with virtualization software. So highly doubt this is holding you back on your overclock.

Good luck
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post #22 of 47
Thread Starter 
Quote:
Originally Posted by crazcookye View Post
No offense, but where did you read these "great results", as most of the things I have heard and read about the phenom were not good.

It is almost like expecting every q6600 G0 to hit 4.0ghz+. Yes sure it have been done, but don't buy a chip with that kind of expectations....

Most 9500s are stuck at around 2.5-2.6 and some of the 9600BE have gotten a little higher...2.8ish...some 3.0ghz
Dude i never bought this chip expecting anything, but if i can get more out of it why not??????? As for where Doggymod on this thread has hit 2.8 with a 9500 and others in other threads have hit 3.0GHZ so its attainable. its something to go for BUT if i cap at 2.8 then ill be happy with that too.... I just wanna know why i cant go further but ill underclock the ram and set HT to 6x and see what that nets me
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post #23 of 47
Thread Starter 
Quote:
Originally Posted by thlnk3r View Post
Chaos, don't expect to get a 3Ghz OC when buying a processor. To be honest it's all LUCK. The overclocks you keeping seeing around the internet are just averages.
Have you found the limits of each component? What is your memory capable of? How about the HTT (reference clock) on your motherboard? These are things I'd recommend testing first.
The L3 Errata bug in the translation lookaside buffer (TLB) only appears under certain applications which are mainly to do with virtualization software. So highly doubt this is holding you back on your overclock.

Good luck
Think3r im not saying that im gasping for 3.0 and as i have read some have a stable 3.0 some dont and i also understand that not every chip is the same. All i was curious about was why i couldnt exceed the 2.5 barrier when others were finding it easy to do so if ya know where im coming from....

As for Intel yeah they are great CPU's but i have had trouble with Intel CPU's and consulting Intel about did squat. They didnt care so i have been boycotting Intel since.... But again thats why i never got a q6600 but who knows in 6 months i may have to make the switch. As it stands people can bash the phenom all they want but im happy with it and it does what i want it to do. Im just tryng to see how far i can push it
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post #24 of 47
Thread Starter 
Ok so I underclocked the ram and I was able to start in windows @2.6GHZ but after 10 minutes my system rebooted so its unstable. I guess 2.5GHZ is my limit. I'm buying a new heatsink for my CPU and northbridge to keep temps lower, maybe its my temps causing my system to be unstable cos at idle I'm running @44-46 degrees which I know is high and my mobo @44-45 idle which again is too high. My guess is that my temps are the reason for unstableness. Anyone care to comment on this?

Also is the HT Link the setting I need tonlower for the hyperthreading? I'm told that I should never touch that but I'm guessing that is it. Anyone confirm this?
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post #25 of 47
Did I hear my name?
Hi Chaos Prime, I hope your enjoying the Phenom, I know I am but I would have enjoyed anything after having a single core Athlon 64 3400+ for years during the whoollee dual core revolution

I am stable at 2.6Ghz now - I have however, been stable at 2.8Ghz, but I realized my RAM where in the wrong slots and they were running in Single Channel.

I have hit 3.0Ghz long enough to get a screen shot, and can still post 3.0Ghz, but I can not get it into windows. I can post at above 2.6 upto 3.0, but can not get stable (very strange). One thing to mention, is that better OC's have been reported with AM2+ boards and 790FX boards.

Anyways - I will try to give some help, but I'm a n00b aswell, lol

Firstly, I jumped up from 200 - 230 no problems, but you said you are stuggling at like 2.5, which is like what, 225sh??? so I'll start a little later than I would have done if you were reaching the 230 point.

Firstly, update your BIOS, then, turn off TLB errata patch, virtualisation and cool 'n' quite. Don't worry about errata, it's very rare and has only appeared during Virtual machines and virtualisation activities.

If you've not done that, do it and try raising FSB a little more. + CPU multiplier made no difference for me, I just set on x11.

Then, I always try to keep memory clock frequency (NB) around 1800Mhz - so use the correct multiplier, at 200 it's x9, so see if that helps.
Also, I have the HT set at x6 on my stable OC of 2.7Ghz (246), so around 1500Mhz is what I use.

I have my RAM set at 667, this is mainly because I've been trying for higher OC's and am playing around, but it is stable at 800. If you have 1066, there shouldn't be any problem, but timings maybe the problem. Atm I have loosened my timings and it runs like a dream, there at 6-6-5-18, at stock they hit 4-4-3-12, at 230 4-4-4-15 and 246 5-5-4-15. I may keep them like this though, computer seems to be running better. In case your unfamiliar with RAM timing as I was, here's what the number's represent.

w-x-y-z => w is cas latency and should be raised last, x is RAS to CAS, this should be the 2nd one to try and raise, y is RAS Precharge (on my M.B it's ROW Pre), raise this 2nd, and then z - raise this first.
The reason i say change in that order is that I raise the one with the least effect first. And, for example, if z doesn't work, set it back to what it was then go on to x. (***If I'm wrong, someone let me know).

Another wee note to mention is the PCI-e, I've set mine at 125 which has give me no probs.

Also, the voltage is probably the most important part of my OC, but good cooling is need, mines not top notch, my RAM is copper cooled with little things on top to spread, my chipset has cooper heatspreaded cooling and I have a Thermalright Ultra 120 Extreme which is ace.

My CPU didn't take any extra voltage from 200-220, but then I put +0.05 volts through, and lasted until about 230 when I put through +0.1. At 240 it spiked and needed +0.2 but that's lasted until 246, when I hit 3.0Ghz for a few minutes, I used +0.25. I have my RAM set at +0.15 (I increased +0.05 every 15), my chipset is on +0.1, pcie +0.1, HTs +0.1.

I hope this helps,

Thanks, doggymad

*I have copied this as I have wrote it before, hope it helps
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post #26 of 47
Quote:
Originally Posted by VCheeZ View Post
To the fellow with the "don't listen to the defective core rubbish" comment...here, have a read:
http://www.tomshardware.com/forum/24...ng-flaky-cores
As far as your reference to 3rd core, it could be and it could not be. I don't place much on ramblings in a form with out it being substantiated.
I'm not saying its not possible that a core has an issue.
What I'm saying is that its a fact that the TLB errata issue is known of in the B2 stepping and the B3 is alleged to address it.
http://www.anandtech.com/cpuchipsets...spx?i=3260&p=1

If someone does indeed come up with a "core" issue, demand an RMA.
    
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post #27 of 47
Thread Starter 
Did I hear my name?
you sure did

I am stable at 2.6Ghz now - I have however, been stable at 2.8Ghz, but I realized my RAM where in the wrong slots and they were running in Single Channel.

Mine is running in dual channel so all is good there

One thing to mention, is that better OC's have been reported with AM2+ boards and 790FX boards.

I was assuming that might have something to do with it as my board was not designed for the Phenoms even though it supports it...

Firstly, I jumped up from 200 - 230 no problems, but you said you are stuggling at like 2.5, which is like what, 225sh???

My FSB is at 227

Firstly, update your BIOS, then, turn off TLB errata patch, virtualisation and cool 'n' quite. Don't worry about errata, it's very rare and has only appeared during Virtual machines and virtualisation activities.

Bios is upto date, how do i disable errata? Also Cool'n'quiet is disabled. Virtual machines and virtualisation is active so ill disable that also.

If you've not done that, do it and try raising FSB a little more. + CPU multiplier made no difference for me, I just set on x11.

I cant actually set the multiplier on mine, you have a 9500 too how are you doing this?

Then, I always try to keep memory clock frequency (NB) around 1800Mhz - so use the correct multiplier, at 200 it's x9, so see if that helps.
Also, I have the HT set at x6 on my stable OC of 2.7Ghz (246), so around 1500Mhz is what I use.

In terms of memory all i can set is timings and the core speed, 200, 266, 333 and 400 i have no mulitiplier. As for HT is that the "HT LINK"? if so i have 1x (200) to 5x (1GHZ) only. Would setting this to 3x (600) be a better option?

Another wee note to mention is the PCI-e, I've set mine at 125 which has give me no probs.

ive been told not to really mess with OC'ing my 3870X2 untill proper drivers come out for it (if they ever arrive lol)


Also, the voltage is probably the most important part of my OC, but good cooling is need, mines not top notch, my RAM is copper cooled with little things on top to spread, my chipset has cooper heatspreaded cooling and I have a Thermalright Ultra 120 Extreme which is ace.

Well in terms of cooling i have ordered surprise surprise the same heatsink as you lol and i also ordered copper shielding for my ram sticks for better cooling. Only thing i have done extra is ordered a new heatsink for my northbridge as my Mobo gets to 44 degrees at idle which aint too good lol

My CPU didn't take any extra voltage from 200-220, but then I put +0.05 volts through, and lasted until about 230 when I put through +0.1. At 240 it spiked and needed +0.2 but that's lasted until 246, when I hit 3.0Ghz for a few minutes, I used +0.25. I have my RAM set at +0.15 (I increased +0.05 every 15), my chipset is on +0.1, pcie +0.1, HTs +0.1.

Sadly my Mobo does not allow for manual voltage changes for CPU well at least i cant find it anywhere i look. My Mobo is very limitedand really doesnt allow much change other than RAM voltage, timing and setting core speed at the usual 200, 266, 333, 400. Everything is done either automatically or by the FSB...

I hope this helps,

yup i will disable the virtualisation and give that a try also and se how it goes fingers crossed. Thank alot for the input
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post #28 of 47
Thread Starter 
Just a note after disabling virtualisation i am now at FSB 230 but i cant go any higher than this. Could this be due to Mobo limitations? or heating? Though i havent touched HT yet, waiting on confirmation for that from previous post
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post #29 of 47
probably due to the mobo...

if its not a 780 chipset it doesnt "fully" support AM2..

i havent finnished my build with specs below.. so ill have a post in a week or two with overclocking my system.
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post #30 of 47
Quote:
Originally Posted by Chaos Prime View Post
Just a note after disabling virtualisation i am now at FSB 230 but i cant go any higher than this. Could this be due to Mobo limitations? or heating? Though i havent touched HT yet, waiting on confirmation for that from previous post
Chaos, have you found the limits of your chipset yet? Here is a guide that I typically recommend checking out for this process: http://www.overclock.net/faqs/31782-...pu-memory.html. We won't know if it's a motherboard limitation until you test this

Good luck
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