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 Intel Penryn Overclocking Thread, Toasting next gen 45nm babes ~

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clawhammer
post Feb 1 2008, 03:59 PM

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I lost my screenie after I ghosted my clean copy of Vista over. 4.1Ghz is the best I could do after a few days of playing. I tried all I could to get Orthos running stable at 4.2Ghz+ but can't smile.gif

I can do 8 x 500 as well but after owning and knowing it isn't stable at 4.5Ghz like what most people and reviews claim it can do, I decided to sell it off.
clawhammer
post Feb 1 2008, 04:41 PM

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I've tried that and it doesn't work so does plenty of people (I frequent other forums as well). If we can do 8 x 500, it means the board has no problems reaching 500FSB (taking into account VMCH, Vdimm, ICHIO, etc) but if 9 x 465 tend to have stability issues, it is most likely the CPU.

I also don't post screenshots of Super PI's and if I don't get a good overclock, I'll never post it up biggrin.gif I posted in garage sales 2-3 days ago and yes, someone bought it - not our usual OC kaki though.
clawhammer
post Feb 1 2008, 04:53 PM

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Btw, I tried on both ABIT IP35-Pro and Foxconn Mars with no luck getting it stable. Perhaps my E8400 is just not a super overclock but Aoi's one looks promising.

I can't afford Yorkfield but hopefully Intel comes out with better overclockable Wolfdale smile.gif I'd be happy to get another one.


Added on February 1, 2008, 4:54 pmYes, some guys at Xtreme manage to go beyond 5Ghz w/o Dry Ice too. It's not stable, just for the fun of CPU-Z and Super PI screenies biggrin.gif


Added on February 1, 2008, 4:59 pmHere are some good stuffs. A fellow Swedish overclocker with E8400 on the Foxconn Mars:

http://valid.x86-secret.com/show_oc.php?id=305556

http://bandwidth.se/imgs/nouser/spi9625523a781a.jpg

He did this on air cooling smile.gif

This post has been edited by clawhammer: Feb 1 2008, 04:59 PM
clawhammer
post Feb 1 2008, 06:30 PM

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Idle at stock voltage is around 40C+ and load can go up to 70C+
However when I touch the heatsink, it's not hot and I can leave my fingers there as long as I want. Other people reported temp reading problems on their boards too so we just have to wait for a BIOS fix or maybe Core Temp itself.
clawhammer
post Feb 2 2008, 10:56 PM

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Based on my experience, such people should've been warned and suspended. There's nothing much to sort when someone deliberately launch personal attacks on others and not to mention using vulgarity.
clawhammer
post Feb 3 2008, 04:46 PM

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QUOTE(flatfinger @ Feb 3 2008, 03:27 PM)
ok this is my new stable clock....4.2Ghz@1.42v stable orthos for 1 hour + priority 9...dont have time to prime 6-8 hours....

vbios=1.45v
vdrop/load= 1.46v
vdroop=1.42v
user posted image
*
That's a good one there biggrin.gif 24 x 7 @ 4.2Ghz
Well done!
clawhammer
post Feb 3 2008, 06:20 PM

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QUOTE(flatfinger @ Feb 3 2008, 04:48 PM)
thx bro...going to try tighten the ram timing later..dont have much time to do...
another info....im using a thermal sensor with my aerocool gate watch panel..place at the side top plate of the E8400 ....idle is 32' load is 44' on wc...this is the most accurate temp reading i could hav...
*
I guess those temps makes a lot of sense. External temp sensor does the job for now until someone fixes it for Windows.
clawhammer
post Feb 3 2008, 06:25 PM

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QUOTE(gsan @ Feb 3 2008, 06:24 PM)
bro, your proc can do 500fsb prime stable?
*
I believe it's more on the board's capability than the chip smile.gif
I did 8 x 500 on my MARS + E8400 earlier and it was alright.
clawhammer
post Feb 4 2008, 04:19 PM

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Btw, anyone has E8200 here? Please post some results smile.gif
clawhammer
post Feb 12 2008, 11:45 PM

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QUOTE(Ezonizs @ Feb 12 2008, 11:06 PM)
hi alll , just bought E8400 this afternoon  laugh.gif

my batch is Q746A474, Running at 4.4Ghz at 1.45V , stable orthos running 3 hours and 30 minutes de still counting
 
3Dmarks 06  thumbup.gif
user posted image
*
Good stuff biggrin.gif
Where did you get it and what's the current price?
clawhammer
post Feb 13 2008, 05:15 AM

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If it's Orthos stable then it shouldn't have this problem. Btw, your previous screenshot doesn't have Orthos running? Did you mistaken Orthos for 3dmark? laugh.gif
clawhammer
post Feb 14 2008, 11:00 PM

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QUOTE(allenultra @ Feb 14 2008, 12:00 PM)
I had experience with CS crashing on X2 3600+ 2.4ghz prime stable 10 hours.
The problem was ram timing. Trfc, too tight.

I guess a lot stressing needed to achieve a really stable overclocked rig.
*
You should use "Blend" and not only "Small FFT".
clawhammer
post Feb 15 2008, 07:33 PM

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QUOTE(IcEMoCHa @ Feb 15 2008, 07:12 PM)
Wel... i still need another proc for building my other comp... lolz
*
I agree with kmarc and E6600 is more than enough but I guess your Quad and Pennryn are both superb so I suggest you sell me your E6600 laugh.gif
clawhammer
post Feb 17 2008, 10:20 PM

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Silverfire, I'll go for the highest FSB followed by the RAM timings. Although in benchmark programs it'll show significant number difference for tighter timings, you can't really feel it in real life usage smile.gif
clawhammer
post Feb 18 2008, 02:59 PM

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Let's not confuse the whole world (especially new learners) with regards to "FSB termination voltage". Many motherboards DOES NOT have this feature and it is either an ASUS or X38 standard feature (I don't know). Not having this voltage doesn't mean you can't overclock and this is one of the least to worry about.

Our focus are primarily on these few common voltages, i.e. Vcore, Vdimm, Vmch, etc. You can't overclock if your motherboard does not have settings for the mentioned voltages but you can still overclock if it doesn't have "FSB termination voltage".
clawhammer
post Feb 18 2008, 03:54 PM

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The explanation should be more specific and for people that knows, we will understand FSB termination voltage is CPU VTT but for those that don't, they'll probably go lost somewhere and either spend their money on a new piece of hardware but in the end still don't get their desired results.

I did not specifically mention a particular motherboard but there are many boards out there without the word "FSB Termination Voltage" stated.

At the same time, increase of CPU VTT does not apply for overclocking of all CPU's. To some, it doesn't make a lot of difference.


Added on February 18, 2008, 4:03 pmSome further reading of what GTL, VTT is about:
http://www.edgeofstability.com/articles/df...5/gtl/gtl1.html

Excerpt from the article
"Simply raising VTT may or may not create voltage margins necessary to sufficiently skew signals as required to meet minimum sample and hold times for increased bus frequencies. Additionally, processors are particularly sensitive to even small increases in VTT as bus impedances and termination resistance values are quite low. In fact, increasing VTT will most likely just create unwanted device heating with little to no change in FSB stabilization.

http://www.thetechrepository.com/showthread.php?t=87

This post has been edited by clawhammer: Feb 18 2008, 04:03 PM
clawhammer
post Feb 18 2008, 05:11 PM

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I always had it auto and never killed anything. Anyway, it's up to the person on how they want to do it smile.gif
clawhammer
post Feb 18 2008, 05:51 PM

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No comments smile.gif I've provided my side of the story so it's up to the person on how he wants to overclock.
clawhammer
post Feb 19 2008, 10:00 PM

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I manage to get my E8200 @ 8 x 500 now and left all NB, SB, VTT at default smile.gif It works fine but I'm still testing around. I manage to get it 3.8Ghz+ Orthos stable.
These E8200 are wonders and work just as good as E8400's

This post has been edited by clawhammer: Feb 19 2008, 10:00 PM
clawhammer
post Feb 23 2008, 03:09 PM

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You can run 500FSB with that settings but you need more Vcore to get it stable. For mine, I need around 1.4V (on E8200)

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