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CPU throttling !!! quite urgent - Page 5

post #41 of 136
Quote:
and to find out how hot you CPU, or whatever else is just purchase an infrared thermometer which is only about £10-15 here in UK and it gives you a very precise reading.
Definately. I got one and its very handy tool for all sorts around the house and garage too. thumb.gif But you have to watch it when measuring temps thru clear items, like glass.
Quote:
anyway moral of the story the socket temp is possibly "deliberately" calibrated a little off to prevent damage.
Or the tolerance of the diode or its placement a hair closer or farther.
Quote:
+ the bottom of the CPU is insulated so that it doesn't pass much of the heat to the socket, instead it spreads across the IHS.
The R value of about 1/16th inch of fiberglass board is less than 1. You can get significant heat transfer with a fan on the back. Plus you have the 962 metal pins that can conduct heat to the core.
Quote:
the thermal limit on the this guy is apparently 90c.
i don't know how you saying i'm only 5c away from the tj max.

The correct AMD term we should be using is Thermal Margin of the core, which can be found by using AMDs Overdrive software. For my FX-6300, its 70C. The programmed system shutdown temp may be 90C, IDK.
Ive gone over 70C on the core temp, and it does not trigger throttling, so it has to be the socket temp which in my case is lower than my core temp. But I dont really feel like taking my core temps to over 75C to see if it throttles when the socket temp is over 70C, heh.
    
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post #42 of 136
Thread Starter 
alright i take your word.
but how do people hit 5 ghz on the same board using the same chip ?!
strange ...
post #43 of 136
Thread Starter 
@cpmee

all true i guess.

honestly i'm out of ideas and starting to become disappointed with my purchase.

just wish me the best for tomorrow. if the mobo arrives and everything is the same, what then ?!
Edited by Falc0nPuls3 - 4/6/14 at 4:15pm
post #44 of 136
Quote:
but how do people hit 5 ghz on the same board using the same chip ?!

Good cooling front and back and the luck of the chip lottery. If you can do 5ghz on 1.5v like some do, thats not that much heat.

Yeah, the M5A99 line is very good. Even the M5A97 is about the tops for a 970 board.
Edited by cpmee - 4/6/14 at 4:22pm
    
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post #45 of 136
What about the cooler? Is the pump running?
post #46 of 136
Thread Starter 
reaaallllllllllllllllyyyyyyyyyyyyyyyyyy ... bro you didn't just say that ...

is the pump running ?! ... no ... i'm just manually blowing away the heat ?!

come on of course it's running. ~1500rpm

1200-2000 rmp on the rad fan and 2000-3000 on the case fan.
post #47 of 136
your build looks like a decent midlevel gaming build. however core temp does NOT report the max processor temperature properly. the max temperature according to amd on the package itself not the cores is 62 degrees Celsius. I wouldn't run it past 60 degrees Celsius personally myself. your just asking for thermal throttling. a better idea would be some really high static pressure and cfm fans for that 120mm radiator for a good push pull setup. I do like how clean your build is inside. I don't personally think your chip has any problems or your board. I think really you might be a victim of the silicon lottery and higher then normal package or socket temps. again, amd's specifications list specifically not to take it past 62 degrees Celsius on the package or socket. so avoid that like you would a case of bubonic plague.
 
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post #48 of 136
Thread Starter 
Quote:
Originally Posted by cpmee View Post

Good cooling front and back and the luck of the chip lottery. If you can do 5ghz on 1.5v like some do, thats not that much heat.

Yeah, the M5A99 line is very good. Even the M5A97 is about the tops for a 970 board.

sorry i pressed REP+ instead of replay ... newbie to this forum

5ghz at 1.5v ?!
we're talking 4.4 at 1.33v !
yet we're running into heat problems
post #49 of 136
Quote:
Originally Posted by Falc0nPuls3 View Post

reaaallllllllllllllllyyyyyyyyyyyyyyyyyy ... bro you didn't just say that ...

is the pump running ?! ... no ... i'm just manually blowing away the heat ?!

come on of course it's running. ~1500rpm

1200-2000 rmp on the rad fan and 2000-3000 on the case fan.

biggrin.gifbiggrin.gifbiggrin.gif

I'm just asking because people are talking about temperatures while nothing should be going on.

What about contact between CPU and cooler? Might something be going on there?
post #50 of 136
Quote:
we're talking 4.4 at 1.33v !
yet we're running into heat problems
Yeah I know. Lets see what happens with the replacement board tomorrow. Meanwhile, I would stick a thin fan on the back, it looks like you have about 1 inch of clearance there. Also, there should be some way to squeeze a small fan blowing on the vrm heatsink thats also slightly angled towards the base of the socket. I think I would attach it to the LQ315 using some stick on velcro strips.
The LQ315 based on this review is cooling better than a H100, so 4.8 - 5ghz should be doable.
http://www.hardwaresecrets.com/article/Zalman-LQ315-CPU-Cooler-Review/1702/6

And based on other peoples socket temps, even 70C doesnt seem to trigger throttling, so its got to be a bit higher. Or at least the board needs to think so, heh.

Looking deeper in to reviews of your case (which looks nice smile.gif ) , it does seem to be a relatively hot case.
http://www.bit-tech.net/hardware/cases/2011/08/05/bitfenix-shinobi-review/2

I think the airflow is restricted due to the fineness of fan mesh work plus the dust filters. Personally, I would be doing a lot of chopping on that case.
Edited by cpmee - 4/6/14 at 7:36pm
    
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