**Official e8400/e8500 Retail OC Thread

[LennyRhys]

Watch out for that fsb voltage, if you'll keep it like that I'm not sure you'll have it in 2009.

Haha 1.4v is totally fine, it's only .2v over stock voltage. I can probably get by on 1.3v but I'm busy trying to get my memory stable and it's being a pain, so I'm gonna have to loosen the timings or run it with a different ratio.

[PolRoger]

I've been trying to get 533x9 (3hr run) but this chip is making me work for it. Once over 4.7 the clocks start getting noticeably more diffulcult to achieve. Gigabyte EP45-UD3P with a TRUE Black/Sanyo-Denki.

[PolRoger]

While working on 533x9... I'd thought I'd try this... Not stable enough to complete SP 32M. (PL 10 with loose sub timings)

[Rippo]

What should I chose from the below two (for 24/7)?

E8400@3800mhz@1.152LOAD (Temps ~67):


or

E8400@4000mhz@1.216LOAD (Temsp ~70-72):
Note: having this Vcore it will not be stable in IBT


Does 200mhz really worth additional 0.064v and +5C ?

Thanks

[PolRoger]

What should I chose from the below two (for 24/7)?

E8400@3800mhz@1.152LOAD (Temps ~67):


or

E8400@4000mhz@1.216LOAD (Temsp ~70-72):
Note: having this Vcore it will not be stable in IBT


Does 200mhz really worth additional 0.064v and +5C ?

Thanks

I prefer 3.8@1.152 load. Prime load temps will be even lower and you may be able to run with medium fan setting. I don't think you could tell the difference between the two settings performance wise with day-to-day tasks.

[Godmyster]

What cooling are you using PolRoger?

[PolRoger]

What cooling are you using PolRoger?

TRUE Black with one Sanyo Denki (San Ace 109R121H1011). The outside door to my office was open with the outside temps ~5C/7C.

[Godmyster]

I just recently got a Xigmatek S1284C for my E8400 E0 what do u think i can do here? i got a P5Q Deluxe and 2x2 Gskill PI Black Edition..

[Godmyster]

I just tried E8400@4.0 and fsb to 450\9 and pushed the vcore to 1.32 but wouldnt last on Orthos so i gave it a little more to 1.36 and still wouldnt be stable...

[gurusan]

Are you positive there's not some other sort of issue, faulty memory perhaps?

[bigwill68]

I just tried E8400@4.0 and fsb to 450\9 and pushed the vcore to 1.32 but wouldnt last on Orthos so i gave it a little more to 1.36 and still wouldnt be stable...

do me favor just stress the cpu and post a pic let's see how that turns out then we can go from there...it seems to me something is'nt getting the right volts

also update your cpuz your 2 versions behind brother
http://www.cpuid.com/

and what board you on also?

I got +0.125v on the cpu volts to hit 4.0ghz and 4.1ghz and +0.250v on the DDR volts...
link to the pic of stressing both cpu and memory
http://img360.imageshack.us/img360/9...dmemorywx3.jpg

orthos stress test at 4.0ghz only the cpu
http://img408.imageshack.us/img408/5...eenof40xe2.jpg

[Godmyster]

do me favor just stress the cpu and post a pic let's see how that turns out then we can go from there...it seems to me something is'nt getting the right volts

also update your cpuz your 2 versions behind brother
http://www.cpuid.com/

and what board you on also?

Just updated to the recent version, im doing a Small FFTs - stress cpu with Orthos atm then ill show a pick, how long should i run it for?

Thanks a mil

PS: My board is a P5Q Deluxe and my mems are these: PI Black G.SKILL DDR2 PC2 6400 CL4 4GB Kit
http://newgskill.web-bi.net/bbs/view...esc=asc&no=126

[bigwill68]

my mems are these: PI Black G.SKILL DDR2 PC2 6400 CL4 4GB Kit
http://newgskill.web-bi.net/bbs/view...esc=asc&no=126

my friend here's a sample of my other system in my antec 300 case now...
I told someone else about I believe he has same memory as you or pc7200
but he losened it up alittle to get pretty good oc out of a Quad core this what.I said

it will not allow at 4-4-4-12 it's to tight to at that oc on the cpu loos'en it up to 5-5-5-15 as 1066 memory and.I bet you get 469 and above..I managed to
with some Corsair XMS2 2GB (2 x 1GB) 240-Pin ddr2 sdramddr2 800
http://www.newegg.com/Product/Produc...82E16820145034

sorry about the shot Networking between Machines to take this shot here it is
from my antec 300 case with the ga-p35-ds3r machine with my E6750 alittle
oc'd had to 3.6ghz stable b4 turned it down sense was at 3.8ghz stable with
some Corsair Dominator 2GB (2 x 1GB) 240-Pin ddr2 SDRAM ddrs 1066 but took them out for another board...
best a luck my friend and hope it works out..I plan to get some of that memory also later on there's only a alittle differents between the p35 and p45 bio's setup..i got a p45 gigabyte board under my bed right now ds3r..

I was looking at the reviews of your Memory on Newegg Looks Good
http://www.newegg.com/Product/Produc...82E16820231209
added to the wish list

[Godmyster]

I ran it but my computer froze at 38min...

[LennyRhys]

OK I've found optimum clocks for my system and it needs no more tweaking - 4.41Ghz at 1.352v load with fantastic temps. As a bonus I've got great memory bandwidth and I managed to get my vFSB down to 1.3v, so I'm a happy chappy.

Screen from a few hours ago:

[Garrett]

Nice temps Lenny... very very nice, are you on watercooling?

[Godmyster]

Those are some fantastic results LennyRhys i only got my E8400 E0@ 3.8 any advice i wanted to get it @4.2 at least... i got a P5Q Deluxe also..

[LennyRhys]

I have a Zalman 9700, not watercooling. : My case is closed up, all my fans are at their lowest setting, and even with the CPU fan at its lowest setting my temps only rise by 1 or 2 degrees. The chip just won't get hot lol.

What volts are you using to get your E8400 @ 3.8Ghz and what are your other system settings?

[DoObs]

32M PI @ 4.698mhz

[bigwill68]

OK I've found optimum clocks for my system and it needs no more tweaking - 4.41Ghz at 1.352v load with fantastic temps. As a bonus I've got great memory bandwidth and I managed to get my vFSB down to 1.3v, so I'm a happy chappy.

Great Job Very Happy to see you get a good Oc with that board

[Garrett]

I was playing GTA 4 @ 4ghz with my E0 E8400 @ 1.20v and it would crash from time to time... then i decided what the hell... 1.38v in bios (1.36 idle and 1.37 load measured with DMM @ Striker II Extreme) and now playing @ 4.5ghz doesn't give me any problems at all... not that I'm complaining
I didn't try Orthos but everything seems to be working perfectly

[Godmyster]

Here is a Pic i just took, i have a P5Q Deluxe and PI Black G.SKILL 6400 CL4 heres a link ->

http://newgskill.web-bi.net/bbs/view...esc=asc&no=126





Mems are @ 5-5-5-15 as you can see not 4-4-4-12 originally.. wanted really to boost this since i got a great cooler

[LennyRhys]

Your memory may not do CL4 since you have overclocked it to 860MHz, but you can give it a try.

[Godmyster]

what i wanted to do is OC this to at least 4.2, what can i do here? need some help on this.

[LennyRhys]

For 4.2GHz you need to increase the FSB to 467MHz, but I'd go a little at a time. Try 445fsb for 4GHz first and they see what voltages are needed.