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With default Bios can u post with four sticks??

Is it possible to identify a faulty slot??

So optimised defaults try to post with four sticks.

apply settings exactly as my recomendations but under memory frequency choose 2666mhz. Try.
 
Hi 8 Pack,

Added more details to my previous post. In short 4 sticks = no POST regardless of whether the BIOS is on default, optimised default or 8 Pack OC with 2666mhz.

Using the overclock with just 2 RAM modules @ 2666mhz brings up the overclock fail BIOS screen.

As I've strictly been following the manual for the ram slot order (and the manual only deals in multiples of 2 modules when there is more than 1 stick) I can narrow it down to either slot 1_1A, 5_1C or both.
 
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I had a similar problem when I first built mine.
Removing the ram and reseating them fixed it.

If the ram is ok individually then it could be motherboard or cpu.

I would test outside of the case.
 
Ok I have just booted up with the OC 1 settings and so far so good (haven't got round to doing any overlocking till this morning). Mem running at 3000mhz and CPu at 4.125mhz.

I think if this is good and stable I will just stick with it. Probably not going to see huge gains above that and it sounds like it could be a pain trying to get one of these nearer 4.5ghz, especially with 3000mhz memory.

Just fired up prime 95 for 5 minutes and saw temps on one core hit 65 degrees. Is that acceptable?

I am not using the water cooler that came with it as I'm still scared of putting water anywhere near a PC :p so I am using my old trusty Zalman CNPS10x extreme in silent mode as with this my PC is pretty much silent.

What sort of temps under air in prime should one expect at this level of overclock and what is the max acceptable temp?

Will I get much better temps using the AIO? I don't have a fan controller and there seemed to be talk that the radiator fans are noisy buggers. I use the machine mainly as a DAW so the quitter the better.
 
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65C under load is absolutely fine.

I'm using the AIO, but I too was slightly nervous of mixing liquids and PCs!

I've got the fans routed through a controller because at 100%, they are reasonably loud. At about 50-60% RPM though, they're fine and at full load I'm around 60C.

Stability-wise I'm pretty happy with it so far. I've had no crashes whilst using the PC, but when I try to restart it has hung a few times on a blank screen.

I will probably be sticking with the level 1 OC for now because it's more than powerful enough for my needs.
 
Borealis said:
65C under load is absolutely fine.

I'm using the AIO, but I too was slightly nervous of mixing liquids and PCs!

I've got the fans routed through a controller because at 100%, they are reasonably loud. At about 50-60% RPM though, they're fine and at full load I'm around 60C.

Stability-wise I'm pretty happy with it so far. I've had no crashes whilst using the PC, but when I try to restart it has hung a few times on a blank screen.

I will probably be sticking with the level 1 OC for now because it's more than powerful enough for my needs.
Click to expand...

Yeh, I will stick with the level 1 OC as well. I need things stable and quiet for my music stuff and the hunt for an extra few hundred MHz isn't worth it in my case I don't think.

Just ran realbench for 30 mins with the heating on in the house and the hottest core maxed at 65. The rest were 60-62. Why is there always one ******* core that is hotter than the rest :D :p. Without fail I don't think I have ever had a perfectly even set of temps along a multi core cpu.

I think that's acceptable. It is hardly ever going to be stressed like that in real world usage I guess.

Is realbench considered better than prime now for stress testing? A lot of people seem to have gone off prime.
 
RealBench is a more realistic stress test - if you can call any stress test realistic! Prime is fine for SandyBridge and earlier generations, but the instruction set used by Prime gets things unnaturally hot, very fast.

There is always one hot core, but a difference of 3-5C is not a problem. Only worry if you've got a 15C gap (on a dodgy AMD quad-core I had)!
 
Jono8 said:
Will I get much better temps using the AIO? I don't have a fan controller and there seemed to be talk that the radiator fans are noisy buggers. I use the machine mainly as a DAW so the quitter the better.
Click to expand...

Hi Jono - I'll also be using mine primarily as a DAW.
What case are you using - I'm trying to find one that will fit the mobo and 240 rad in the roof. (plus fan controller)
Is yours an ATX case?

R5 had been top of my list but the board might be a squeeze.
H440 doesn't have optical drive bays
Nanoxia deep silence 5 only takes a slim rad in the roof
Be quiet 800 - again, it's ATX - will the mobo fit?

What cases are everyone else using?
Thanks
 
I've finally got time to start building mine.

Is everyone cleaning the pre-applied paste off the bottom of the cooler and what's the best way to clean it off? Will Isopropyl do?

Never had a 2011 socket - Is the spread method best for applying the TIM?

God, do I sound like a newb these days
 
stuartharrison said:
Hi Jono - I'll also be using mine primarily as a DAW.
What case are you using - I'm trying to find one that will fit the mobo and 240 rad in the roof. (plus fan controller)
Is yours an ATX case?

R5 had been top of my list but the board might be a squeeze.
H440 doesn't have optical drive bays
Nanoxia deep silence 5 only takes a slim rad in the roof
Be quiet 800 - again, it's ATX - will the mobo fit?

What cases are everyone else using?
Thanks
Click to expand...

I am using an NZXT Phantom 630. Loads of space for everything I need and the system fans and system fan controller are quite nice.
 
I've got the Phanteks Enthoo Pro here. It was dead simple fitting a 240mm rad in the roof. The Enthoo Pro is designed to take an E-ATX board, so clearances weren't too bad. It does come with a PWM hub, but I've put an NZXT Sentry Mix 2 in one of the three front bays so I can dial the fans down.

I used the rice grain/pea method. No problems yet.
 
To answer a couple of question.

As for temps I've been using the AIDA64 stress test as it's a bit more sensible than the Prime95 as I never get anywhere near the temps or fan speeds as a result in normal use.

For comparison I get 60 DegC using AIDA64 vs 70 DegC using the infamous small FTTs in Prime95. During a long gaming session running FO4 for example the temps average 45 DegC with ambient 20 DegC.

I did initially use the pre-applied TIM when I built the system. Once I was happy with it I then applied some grizzly TIM. I would describe my application more of a large long grain rice to mimic the orientation of the cores beneath. I was surprised to actually see ~10 DegC improvement using the AIDA64 stress test. Also helps my chip appears to like quite a low core voltage.
 
Just done a further 1 hour of the real bench stress test and all seems groovy, passed without a hitch and the hottest core was 66 degrees, the rest averaging about 62.

Looks like the OC 1 settings are all good. Very happy with the bundle so far :)

Performance is as expected. I had a 3770k at 4.5ghz. Using the quick multi thread bench on cpuz and referencing it against a 4790k ( which I believe boosts to 4.2ghz on all cores meaning that would be pretty much the same as my 4.5ghz 3770k) I get a 50% increase in performance due to there being 50% more cores.

In fact it is amazing how well it scales like that.
 
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My CPU hates me, I think ..... or the whole PC in general lol, I have been plagued with allsorts of BSOD's, Seemed to be Nvidias 359.06 drivers, Had 4.5ghz @ 1.3vcore, seemed to be stable, But IBT would fail on second pass, Prime immediately, Fallout 4 withing a min or 2 /headscratch

As you do, tweaked stuff, etc seemed to be going backwards, Dropped it down to 4.375(ish) @ 1.3vcore, and still no joy, would still "play" up, IBT fails, Real Bench Failures etc, etc,

Long Story short, for some reason, it seems happier with a lower voltage, Its now playing nice @ 4.375mhz @ 1.23 Vcore ..... I have an irish chip ..

Either that or I'm not understanding whats going on here. :confused:
 
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