Did I fry my cpu?

[laezyre]

I overclocked my E8400 cpu to 3.4 ghz using easy tune 5 pro for the gigabyte p35 ds3l mobo. I didn't realize it would go nuts with my core voltage. I'm only using a retail heat sink and fan. When I finished running 3dmark06 I noticed my score was lower than at stock speed of 3ghz. I checked the settings and the cpu voltage was set at 1.4 volts. Default is 1.15 volts. I set everthing back to default in easy tune and BIOS, but it keeps going back to 6x 333 and 1.3 volts. Is this the sign of a fried cpu? I'm guessing it is.

Yesterday I clocked it at 3.3 ghz without issue. If I need to buy a new cpu, is the quad 6700 worth considering for gaming? I believe the E8400 has gotten better reviews for gaming. Thanks for any help.

 

[Scottae]

no you didnt fry it if it works.... umm just dont use Easy tune... all messed up use bios.. and what is happening is your Processor is auto throttling down... by dumping the multiplier down... power conservation thing... you can turn it off in bios.... forget what it is called.. someone will know...
Q6700s are still quite abit abot Q6600s and why pay it when you can OC 6600's very easily

 

[driftwood07]

My suggestion is to remove the power chord from your power supply completely and and remove the CMOS battery from your board , then replace it and power back on and set all the speeds and voltages again. I had a similar issue of my 3.0Ghz e8400 chip running at 266*9=2.4Ghz randomly and this fixed it . I don't believe you fried your chip, I did about the stupidest thing possible by accidentally applying 2.3Vcore repeatedly in bios when I meant to scroll down to 1.3V, and its been fine for at least a week since (im not saying no damage was done), so if an insane 2.3V didn't fry it instantly 1.4 (which is within spec) will not

Alternatively and more likely, if your multiplier is changing like that in Windows under idle or low load, load up a intense application and see if it goes up. You may have speedstep enabled, which lowers the multiplier and/or fsb to save power when the cpu is now working hard. In bios under advanced features make sure to DISABLE C1E and EIST to stop this from happening.

 

[Syzygies]

Originally posted by: driftwood07by accidentally applying 2.3Vcore repeatedly in bios when I meant to scroll down to 1.3V, and its been fine for at least a week since

Yup, a similar BIOS "issue" caused me to apply 2.0 V briefly to my Q6600. I turned everything off and went away for the weekend.

I couldn't simply dial in my old 3.2 Ghz overclock using the same values, but I've seen that before as the rig breaks in, this is inevitable when one chooses settings right on the edge. But I've been mapping tonight the voltages needed for various cpu speeds, and the curve overall looks very healthy. Unless there's a wall now just before 3.2 Ghz, it looks like I'll be fine.

Hey, chips are cheap tuition.

 

[laezyre]

Thanks for the quick responses. I disabled C!E and EIST and sure enough, the 9 x 333 settings returned, but the voltage was still 1.36. I manually changed it to default of 1.104 and it stuck. I'm not sure why I had to change it manually when the auto settings in BIOS always used 1.05 in the past. Either way, it's a relief. Thanks!