**Official e8400/e8500 Retail OC Thread

[dnottis]

could you post your load temps at 1.432v 4500mhz please...

The sensor is screwed up on it. Idle is about 55 in water, load was over 90c. I've had 2 other E8400s and 2 x E3110s and they all ran 28 idle, mid to high 50's load (in realtemp) over 4.1 Ghz. I've actually had this chip reading over 105c so I know it's not actual or the damn thing would be dead. I've lapped it and its water cooled. Pulled the chip after some benching and it wasnt even warm, neither was the water or my PA120.2 so I know it's not running that hot. My quad @ 3.7 will actually make my rad warm to the touch. I can gauge how hot a chip is running by measuring water temp and the surface of the rad.

[dnottis]

Well, I think I'm experiencing the dreaded E8400 degradation/burn-in. I've had to up my VCore by .035 or so to maintain - and not quite sure if it's doing the trick yet.... BUMMER.

Give it a day or two, it will be fine.

[giorgos th.]

tried my Q807 today with a mini SS (~ -19C load)..
so far easily i got this..

[kadir_slayer]

The sensor is screwed up on it. Idle is about 55 in water, load was over 90c. I've had 2 other E8400s and 2 x E3110s and they all ran 28 idle, mid to high 50's load (in realtemp) over 4.1 Ghz. I've actually had this chip reading over 105c so I know it's not actual or the damn thing would be dead. I've lapped it and its water cooled. Pulled the chip after some benching and it wasnt even warm, neither was the water or my PA120.2 so I know it's not running that hot. My quad @ 3.7 will actually make my rad warm to the touch. I can gauge how hot a chip is running by measuring water temp and the surface of the rad.

I don't know if the sensor is screwed but a few minutes ago I learned that thermal throttling gets active according to that sensor. I set the core voltage to 1.425 and 4300 mhz. when I started orthos core temps reached 100 (coretemp) and The RMCLOCK reported there is overheating and thermal throttling....

so I donT know what it means.. mine is stable at 1.216 3825 mhz and 1.244 3915 and 500*8=4000 at 1.280 loadv but the temps are so high... at 4000 the cores reaches 83..

[tranceaddict]

Well, I think I'm experiencing the dreaded E8400 degradation/burn-in. I've had to up my VCore by .035 or so to maintain - and not quite sure if it's doing the trick yet.... BUMMER.

I too have experienced that, and I believe that it is not degradation but rather a break in period. I had to raise my Vcore by around 0.32 to be stable, yet I never used extreme volts which could have damaged my CPU. Currently I stand at 1.368V LOAD at 4200MHz, initially I needed 1.336V LOAD to be stable at that same frequency.

[ToyTen]

testing cpu priority, I have such a ripple on the Vcore... plus OCCT misreading the fsb... However, I'm glad.

[giorgos th.]

a bit better fine tuning today..everything is with 1.55Vcore load (~ -19C) and with a first try..








and a photo of the setup..

[ToyTen]

Results for this week end on my GA-X38T-DQ6 with this e8400(got it on saterday) under water.


my actual max fsb, not sure I'll have it much higher:
my actual max frequency:

[CrazyNutz]

Well, I think I'm experiencing the dreaded E8400 degradation/burn-in. I've had to up my VCore by .035 or so to maintain - and not quite sure if it's doing the trick yet.... BUMMER.

Just be prepared because you might have to go up to +.05mv over initial
to make it 100% stable. But don't loose any sleep over it, it will be fine.
Once it's done with burn-in it will remain stable.

[Kizmo]

Look what i found from local computer store

http://xs226.xs.to/xs226/08182/e8400769.jpg

Someone ordered that CPU ~week ago but didnt show up to get it so they sold it to me. Will post some results tomorrow

[sauria]

Look what i found from local computer store

http://xs226.xs.to/xs226/08182/e8400769.jpg

Someone ordered that CPU ~week ago but didnt show up to get it so they sold it to me. Will post some results tomorrow

Great, I look forward to your results!

[jaredpace]

Just be prepared because you might have to go up to +.05mv over initial
to make it 100% stable. But don't loose any sleep over it, it will be fine.
Once it's done with burn-in it will remain stable.

.05mv = 0.00005volts

[sauria]

.05mv = 0.00005volts

What do you do to burnin?

[jaredpace]

What do you do to burnin?

I oc'd my e8400 to 4.5 to 4.7 on air when i got it, loosening my ram timings to maximums. I let the voltage go to 1.5V real @ Load during benching, then tried to stress test with orthos @ 4.5ghz 1.42V. I settled for 4.2ghz @ 1.38V real for normal usage. I guess that was my burnin process...

[sauria]

I oc'd my e8400 to 4.5 to 4.7 on air when i got it, loosening my ram timings to maximums. I let the voltage go to 1.5V real @ Load during benching, then tried to stress test with orthos @ 4.5ghz 1.42V. I settled for 4.2ghz @ 1.38V real for normal usage. I guess that was my burnin process...

I see -- you didn't keep lowering the voltage and stressing?

[jaredpace]

I see -- you didn't keep lowering the voltage and stressing?

yes when i stayed at 4.2g, i played around with various combinations from 445mhz x 9 [4050] and up. at 4.2g i started with 1.424 Vcore load and kept going down until i found 1.38v to be the lowest possible before i would keep crashing.

1.38 took about 1.45V in the bios on my ip35E

[Smoicol]

Hello everyone,
e8500 try to be stable at 4.7 4.8 in the liquid, with a vid low and that gives satisfaction, I can not find, the price does not matter, please contact me in private.
regards

[ThatGuy16]

Heres a 4.6Ghz PI run, I'm still having trouble getting anything above 4.5Ghz, i got new ram, i guess something still isn't getting enough juice. It locks up solid, no bsod..

[Sadhana]

Currently, i'm very dissapoint with e8400 batch Q748A143. Too much vcore to reach prime stable, 445x9@ 1.440v is overkill, imo. Sorry no screenshoot with that damn batch, I'm still struggling

[MadSurfer]

Testing my new E8400... 1.2000v idle/full load @4.05 (450 x 9)

Q814
VID: 1.0750v

[GoThr3k]

Testing my new E8400... 1.2000v idle/full load @4.05 (450 x 9)

Q814
VID: 1.0750v

you make me jealous

what is the exact batch? Q814xxx?

[webwilli]

my Q807A276




Q814 seems to be good too

[selloutkingz]

Go for Q807A241 4005 @ 1,200V rockstable


and 4206 @ 1,264V short run

[MadSurfer]

what is the exact batch? Q814xxx?

When i remove the cooler i will post the exact batch number

[zfactor]

anyone get a recent one from newegg .. just wondering what batched they have been shipping..