Unstable FX 6350 Overclock

[Herolike]

Hello

I've smacked a brick wall with my overclock. I recently got a Gigabyte 78LMT-USB3 Rev 6 motherboard with an FX 6350. For some reason I just cannot get it stable unless it's all at stock. I've tried multiple voltages, frequencies and even re-flashing the bios. But nothing seems to help.

I can't even get it stable at 4.3 with 1.42v! Anything above gives the same results, a BSOD or an instant power off. I know it isn't my power supply because I've paired it with a new Corsair RM-750, which seems to be complete overkill for a build like mine. My cooler is a Arctic Freezer 7 Pro Rev 2.

(Prime95) MAX LOAD TEMP AT 4.3Ghz1.42v - 66 Celcius

Intel Burn Test destroys it after only 2 results

After a couple of minutes cores start dropping (Core 3 first, probably weakest one)

Please help, I've just gotten these and I really need the performance boost.

Any help is welcome, please get back quick and feel free to check out the attached images.

[TheRandomness]

You either have a shitty overclocker, in which case awh or your motherboard power delivery is dying, in which case don't go too far. Also, FX can go all the way up to 1.5v without damage, so try up to there.

[Herolike]

You either have a shitty overclocker, in which case awh or your motherboard power delivery is dying, in which case don't go too far. Also, FX can go all the way up to 1.5v without damage, so try up to there.

Okay, I'll try 4.4@1.5

[OAcesync]

It's point to a bad chip or the fact that you're motherboard has low grade power delivery and isn't used for overclocking

[TheRandomness]

It's point to a bad chip or the fact that you're motherboard has low grade power delivery and isn't used for overclocking

Motherboard has 4+1 phases. I do not trust that.

[Herolike]

Attempting 4.4 with 1.5v, went up to 81Degrees so I had to stop the test... Maybe I have to reapply the thermal paste? I chose the line method and did it pretty well?

Lasted about 15 seconds...

[Ryan_68]

It's the mobo. VRM's aren't cooled well, and are overheating quickly. Which is why it is responding so poorly to voltage increase. Best bet with that board, is to OC to stock turbo frequencies and push no further, unless you want to kill your board. I have the same issue with my board and 8320. OC's fine until I need to touch the voltage, then shit gets whack. I can get my 8320 up to 4.2 (just a hair over the stock turbo frequency) on stock voltage, but any increase in power and boom, instability.

[Herolike]

I'll attempt Prime95 at 4.2Ghz (Max boost clock) with stock voltages.

It's the mobo. VRM's aren't cooled well, and are overheating quickly. Which is why it is responding so poorly to voltage increase. Best bet with that board, is to OC to stock turbo frequencies and push no further, unless you want to kill your board. I have the same issue with my board and 8320. OC's fine until I need to touch the voltage, then shit gets whack. I can get my 8320 up to 4.2 (just a hair over the stock turbo frequency) on stock voltage, but any increase in power and boom, instability.

Cheers, I'll attempt prime95 at 4.2Ghz (Max boost clock) with stock voltages.

[Herolike]

With stock voltages and 4.2Ghz, temps were around 59max under load, after a few seconds a core dropped. So now I can't even maintain stability with boost speeds!?

[Ryan_68]

Drop it down to 4.0. Also, is it a new CPU? If so, you may have gotten one on the short end of the silicon lottery. Turbo frequencies are usually prominent on core zero, and very rarely boost all cores. Was it core 3 that dropped again? If so, may be a bad die/ low binned 6350. 

[Herolike]

Drop it down to 4.0. Also, is it a new CPU? If so, you may have gotten one on the short end of the silicon lottery. Turbo frequencies are usually prominent on core zero, and very rarely boost all cores. Was it core 3 that dropped again? If so, may be a bad die/ low binned 6350.

I will drop it to 4Ghz, will post results in a bit

[Herolike]

Gigabyte or ASUS 990FX or 970 will make it more stable.  Also, what cooler are using?  I'd use a higher end air cooler, or liquid cooler to drop temps as that can help with stability too.

As I mentioned before an Arctic Freezer 7 Pro Rev 2.

[Benji_w]

You either have a shitty overclocker, in which case awh or your motherboard power delivery is dying, in which case don't go too far. Also, FX can go all the way up to 1.5v without damage, so try up to there.

 

1.6v to be correct.

[Herolike]

Drop it down to 4.0. Also, is it a new CPU? If so, you may have gotten one on the short end of the silicon lottery. Turbo frequencies are usually prominent on core zero, and very rarely boost all cores. Was it core 3 that dropped again? If so, may be a bad die/ low binned 6350.

It passed Intel burn test (it has never passed before unless on stock clocks) averaging at around 29Gflops

Max temp was 64Celcius.

[Benji_w]

SNIP

 

You need to increase your voltage, tbh you should probably replace the board, you can find second hand 990fx sabretooth motherboards for cheap.

[Herolike]

You need to increase your voltage, tbh you should probably replace the board, you can find second hand 990fx sabretooth motherboards for cheap.

Im broke lol

[Benji_w]

It passed Intel burn test (it has never passed before unless on stock clocks) averaging at around 29Gflops

Max temp was 64Celcius.

 

Passed how? With multiples of 3 ie like this screen shot or -1.xxxxxxxxx results? because if it was the -1 results and it said it passed, its a false negative or whatever, it means it isn't stable at all.

 

[Ryan_68]

It passed Intel burn test (it has never passed before unless on stock clocks) averaging at around 29Gflops

Max temp was 64Celcius.

Sounds like a low binned 6350, could probably get a bit more out of it with a voltage bump, but it seems your mobo can't handle that much power.

[Herolike]

Passed how? With multiples of 3 ie like this screen shot or -1.xxxxxxxxx results? because if it was the -1 results and it said it passed, its a false negative or whatever, it means it isn't stable at all.

I've bumped it up a little with 4100 1.38v, so far so good with 29.4GFlops and Positive results (3.xxxxx)

[Herolike]

These are the current results

EDIT - Awesome! I passed! All results are positive 3.

EDIT - Idle temps are at 19Celcius!

[Herolike]

All is going well so far

[Darkman]

I'd say the motherboard. I have one in my second rig and it had issues delivering power to a Athlon ii x4 630 at times... It can't handle a FX 8120 at stock voltage anymore...

[Benji_w]

I'm gunna bump it up to 4.2, any suggestions on what my voltages should be? (Core & NB VID)

Cheers for the help everyone!

 

Stop what you're doing, I just realised that you're testing with the wrong IBT.

 

http://www.overclock.net/t/1318995/official-fx-8320-fx-8350-vishera-owners-club

 

Go to the club and download the AVX version of IBT and if you're on windows 7 download the hot fixes!

[Herolike]

Stop what you're doing, I just realised that you're testing with the wrong IBT.

http://www.overclock.net/t/1318995/official-fx-8320-fx-8350-vishera-owners-club

Go to the club and download the AVX version of IBT and if you're on windows 7 download the hot fixes!

I have no idea what that is but you're the genius so I'm going by your word

EDIT - Okay I'm gunna run a stress test with the IBT AVX version.

[Coaxialgamer]

Your motherboard is pretty terrible at overclocking.

I think that's the problem.