I'm pretty much in the same predicament, I cannot set my voltage manually for 3.6GHz using a E8400 without it failing in Prime95 but if I set it to auto in my bios (Gigabyte mobo too from what I can tell) it goes way too high....
I do have a stable overclock @ 375MHz bus speed so 3.375GHz, CPU-Z only shows 1.184 but I know I put it manually to 1.2325 or something that like, one above 1.225 (the default), this comes to ~63C.
Edit: Nevermind, it stopped after about 15 minutes of Prime95....
OK, I finally got back to trying this and the even at 1.3V it still isn't stable. In CPU-Z it only shows a core voltage 1.264V though and shows a bus speed of 400MHz but a Rated FSB of 1600MHz. At 1.3V it was getting up to 67C for a bit before Prime95 failed.
Well hmm I came home, disabled C1E and disabled ESIT and kept the ram the same at 5-5-5-18. I got it to boot to 3.6GHz upping the VCore a couple over the stock, but the second I ran Prime95 it stopped.
This is the ram I have:
http://www.newegg.com/Product/...x?Item=N82E16820145184
Timing 5-5-5-18
Voltage 1.9V
If I run auto it probably goes to the default ram timing/voltage right? I guess I need to read a bit more ;)
Do you have:
CPU Enhanced Halt (C1E)
CPU Thermal Monitor 2 (TM2)
CPU EIST Function
enabled? I guess I should turn those all off and then try to o/c on stock again..... making sure to put my RAM multiplier to 2 so it's 800.
And stock voltage is 1.225 right?
After rereading the...
Using CoreTemp running Prime95 on stock voltages TjMax 105C and 100% load each core is about 62/63C.
I do have C1E enabled as one other, maybe I'll try that later. I think my core temps just might be too high, I read some posts that no one wants their temps higher then 70C, but I guess I...
I just received a E8400 with my GA-EP35-DS3L and it will not overclock correctly at stock voltage using my Corsair DDR2 800 (PC-6400) ram. Maybe it's the fact I'm using a stock cooler?
I'm also planning on building a new machine and I'm in the same boat as the OP.
My biggest concern is whether to get a E7200 or a E8400. The price difference is $60 and I plan to keep stock coolers. I don't mind overclocking as long as it's stable. Should I just go with the cheaper E7200 and...
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