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CPU throttling !!! quite urgent - Page 10

post #91 of 136
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Originally Posted by bonami2 View Post

Quote:
Originally Posted by Alastair View Post

And the voice in the back of your head keeps saying something but yet you ignore it still..... *In the distance a mysterious voice* "Backside socket faaaaaaaaaaaannnnnnn........ VRM faaaaaaaaaaaaaannnnnnn"


You where right look at my nice vrm temp with a 6300 http://www.overclock.net/t/1480427/high-temp-on-m5a99fx-pro-warning/0_100
I hate to be one of those guys But I know I am right. I have M5A99FX PRO as well.

The thing is the components around the VRM area do get hot. I have an infrared thermometer gun thing as well. And the capacitors just in front of the chokes around the VRM area were doing 80C+ under stress testing conditions at 4.8 GHz. Now as you say there is a 2c difference between socket and "real" temp. Well if that is the case, my system starts to throttle at 72C "socket" which translates to about a 70C actual around the socket. This board is a great board. But it does get hot. Those chips and resistors on the backside of the board directly opposite the VRM's were also getting too hot to touch but I didn't measure them. If you want to use the board to its full potential it is imperative that you have active cooling around the area.

After the addition of the stock 70mm fan to the VRM's and a backside fan to the back of the motherboard temps are REMARKABLY better. The caps and chokes around the VRM area sit at around 55C under gaming load and peak around 60-65. "Socket" has gone from reaching 74c indicated to never going above 55C. This will translate to marginally better CPU cooling as it will as the pins and the back of the board will wick heat away from the core. The chips and resistors on the backside underneath the VRM area now cool to the touch. If I could hazard a guess probably 40-55C. I no longer throttle.

Now up till this point I feel like my suggestions have been completely ignored in this thread. But being an experienced user of this board who has a rememdy to the situation you would think people would before willing to listen. BUT anyway.
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post #92 of 136
hpc mode disable throttling of socket of what i heard and i dont throttle at 72c socket idk if it need to reach 73 but i was for 15 sec at 72 no throttle


but yea a fan really help even on my p5k-Se with a q6600 reached vrm temp of 90c added a fan far from it dropped to 36 45c biggrin.gif






Oh and btw perfect temp for a coffee is 55c thumbsupsmiley.png
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post #93 of 136
Quote:
Now as you say there is a 2c difference between socket and "real" temp. Well if that is the case, my system starts to throttle at 72C "socket" which translates to about a 70C actual around the socket.
I just measured my socket temp with my infrared thermometer, and it reads 1C higher than the HWinfo64 and Asus temp.
Quote:
But being an experienced user of this board who has a rememdy to the situation you would think people would before willing to listen. BUT anyway.
Well, youre preaching to the choir here brother, (or are you preaching what I was preaching 10 years ago ? heh.) Time for me to take out the 92mm fan thats been on the back of my mobo for 10 years and through many a system update. Ive ran it at 7 volts the whole time, and I think at that voltage, its only putting out about maybe 15 cfms IMHO. Im gonna stick a 92mm PWM fan in its place that does 42 CFM and see if it makes a difference. Ill post the results, and the make, model number of the old fan which I believe came from a dead psu I scrapped long ago.

Of course that is when I actually get the fan. Neweggs free shipping has really, really gone down the drain in the last year. It used to be, order from the egg, free shipping, and I would get in 3 days easy. The last fan I ordered from them, the LEPA 70D, took a week. It was shipped from the same place where this one is coming from, only 110 miles away/3 -4 hours on the turnpike depending on traffic. Whats happening from what I see, is that neweggs warehouse is taking a long time shipping it out to the DHL, in a Smart Post like deal, then the DHL folks hold it for a few days or ship it around the country before dumping it off to the US postal service, who then delivers it. Its ridiculous and absurd and in the total cant possibly be saving money on the whole, unless theres some kind of a tax benefit to it, or some other scam. Mail and packages delivered from that distance 200 years ago with horses took 1/2 the time and cost a whole lot less, heh.
I recently placed an order with Walmart.com, with free shipping, and 2/3ths of my order came within 24 hours and the rest within 48 hours.
So the moral is, if you want something from the egg with free shipping, youre going to have to order it well well in advance, unless you want to pay the other excessive rates, which then makes it a very crappy deal.
Edited by cpmee - 4/10/14 at 4:46am
    
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post #94 of 136
Thread Starter 
bare in mind some of these components are designed to work in high temps.

like those ceramic solid state capacitors, they're usually rated for 230-260 safe to a max of 360c.

resistors "Typical maximum temperatures for carbon composition resistors would be around 100 to 120°C and for metal and oxide film types, about 150°C. Wirewound resistors can operate at higher temperatures up to around 300°C"

couldn't find specific values for mosfets. (same with diodes)
they very depend on the type and use. higher temps simply mean lower efficiency.
________________________________________

more research shows that typical motherboard mosfets are stable at 130c. yet they can go up to 150c apparently. (130 sounds better thumb.gif)

don't get VRM mixed up with mosfet, VRM is a module, a whole set of different components make a module.

mosfet is what's under the heat-sink.
Edited by Falc0nPuls3 - 4/10/14 at 9:15am
post #95 of 136
yea sorry redface.gif

I just call everything vrm or almost .....

But yea my mobo is set at 130c and i can push it to 150 probably throttling temp
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post #96 of 136
Thread Starter 
130 is fine, don't think you need to hit 150 tongue.gif

unless you're planning to do some cooking or heat up some water for your house or something biggrin.gif
post #97 of 136
i need something to heat my coffee smile.gif

Nah i downclocked after seeing 113c my limit is 90-100c on p95 or stress gonan drop some heatsink on the back of the mobo and a 120mm fan smile.gif
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post #98 of 136
Thread Starter 
alright people i think we're now over reacting towards this situation.

like i said those components are designed to work in high temps. there is no point in adding a heat sink and fan or even underclocking your CPU.

they will last longer we will in this world so don't worry a whole lot about it.

people still use radios from the 50s, them components inside the damn thing weren't even that high quality that time.

just take it easy and relax. sit back and enjoy your gaming or whatever you're doing ... if you know what i mean wink.gifbiggrin.gif
post #99 of 136
Thread Starter 
also prime95 gives the CPU an unrealistic workout, even in most demanding games you're CPU won't hit 100% on all cores. and not every unit in the CPU is going to be used all the time.
post #100 of 136
Yea p95 blend is a killer... I think im going to test with ibt for now and occt smile.gif

Just find that about p95 http://www.tomshardware.com/answers/id-1858600/core-failure-prime-stress-test.html
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