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post #4561 of 8112
Just a quick question, Been playing with my new FX 8150 for about 2 months now, my sig rig.
Was wondering if anyone has notice when running Prime 95 any sudden heat spikes.
Like if your running at lets say 52c max in one set of tests and suddenly it will spike to like 55c and than just go right back down to running a stedy 52c.
I have notice in a 24hr run this has happened 3-4 times. It only spikes for a couple seconds each time.
I started to monitor this because as i was OCing, i started to notice all was running well at a very nice temp a couple times,
Than would come back couple hrs later and see temps on high side went up 3-4c.
So i started running more tests and thats when i seen the spikes because i monitored it every 15 minutes and
Seen the couple second heat spikes.
    
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post #4562 of 8112
Quote:
Originally Posted by fishhawk View Post

Just a quick question, Been playing with my new FX 8150 for about 2 months now, my sig rig.
Was wondering if anyone has notice when running Prime 95 any sudden heat spikes.
Like if your running at lets say 52c max in one set of tests and suddenly it will spike to like 55c and than just go right back down to running a stedy 52c.
I have notice in a 24hr run this has happened 3-4 times. It only spikes for a couple seconds each time.
I started to monitor this because as i was OCing, i started to notice all was running well at a very nice temp a couple times,
Than would come back couple hrs later and see temps on high side went up 3-4c.
So i started running more tests and thats when i seen the spikes because i monitored it every 15 minutes and
Seen the couple second heat spikes.

 

Try using OCCT to stress-test.  It has some really nice voltage monitoring graphs that it auto-generates.  You could have some voltage spikes casing that heat.

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post #4563 of 8112
Quote:
Originally Posted by David1544 View Post

David1544 - FX8150 - Sabertooth 990FX
http://valid.canardpc.com/show_oc.php?id=2219563 (This is the highest I've gotten it to on a stock fan, I normally keep it at 3.9 unless rendering)
http://www.overclock.net/t/1139726/amd-fx-bulldozer-owners-club

you should add another stick of ram... that "triple channel" stuff is killing your memory controller.. you are NOT getting full advantage of it
     
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post #4564 of 8112
Thanx for the idea and yes i was going to use OCCT and wach the graphs.
I use, prime 95,OCCT,IBT,Linx everything from Future mark, Heaven and others to stess test all my builds.
So far with all other graphs (since i noticed this) my vcore stays a steady 1.48 under full stress load
never any higher i have vcore set to 1.46 and digi in bios at extreem high, second to last.
Also cpu/nb at 1.35 with digi on high. Its weird because the heat spikes are only for a couple seconds no more.

With all the probs i have seen with peeps running prime useing the fx chip
i thought i would ask this. All total through 24 hrs of prime it only happens 3-4 times
and never in the same spot and only a total of about 15 seconds with all spikes.
And it only happens with prime.
    
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post #4565 of 8112
@axipher I've been looking for something like that, thanks!
Edited by mironccr345 - 6/4/12 at 8:02am
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post #4566 of 8112
Quote:
Originally Posted by shampoo911 View Post

you should add another stick of ram... that "triple channel" stuff is killing your memory controller.. you are NOT getting full advantage of it

I,m useing 4 4gig crucial dual channle mem 1866 oc to only 1890 total 16 gig.
    
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post #4567 of 8112
I might be in the wrong place to ask this question....but....

I was considering selling my HD6870 and getting a 6900 series or 7850, then it occured to me ive never tried Crossfire. So then obviously i thought get another 6870 and xfire em.
However i am wondering whether my PSU will take it or not ???

The reason i ask here is because in a weeks time i have a FX-8120 & Sabertooth 990FX Mobo coming and im doubting whther my PSU can power it all ? Is the 8120 & extra HD6870 gonna be too much ?

Extreme PSU calc says Recommended is 650W

PSU i Use is Antec True Power 650w
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post #4568 of 8112
Quote:
Originally Posted by Mr-Mechraven View Post

I might be in the wrong place to ask this question....but....
I was considering selling my HD6870 and getting a 6900 series or 7850, then it occured to me ive never tried Crossfire. So then obviously i thought get another 6870 and xfire em.
However i am wondering whether my PSU will take it or not ???
The reason i ask here is because in a weeks time i have a FX-8120 & Sabertooth 990FX Mobo coming and im doubting whther my PSU can power it all ? Is the 8120 & extra HD6870 gonna be too much ?
Extreme PSU calc says Recommended is 650W
PSU i Use is Antec True Power 650w

If you can aford a new psu i would say get one, but i think that 650 will handle the set up with xfire.
But also if you plan or think on getting a 6900 there a great buy right now and going to a 7850 card is gd too.
my 720be triple core with a asus mobo and visiontek 4850 power hog card has only a antec 450, my 955be with asus mobo and asus 5850 top vid card has a
620watt shark psu and runs great.

But a better psu would be nice in the future.
    
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post #4569 of 8112
Quote:
Originally Posted by fishhawk View Post

I,m useing 4 4gig crucial dual channle mem 1866 oc to only 1890 total 16 gig.

sorry man, in that cpu-z valid card you posted earlier, it clearly states that you have like 12gb ram, gskill brand.... 4gb each stick...
     
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post #4570 of 8112
Quote:
Originally Posted by Mr-Mechraven View Post

I might be in the wrong place to ask this question....but....
I was considering selling my HD6870 and getting a 6900 series or 7850, then it occured to me ive never tried Crossfire. So then obviously i thought get another 6870 and xfire em.
However i am wondering whether my PSU will take it or not ???
The reason i ask here is because in a weeks time i have a FX-8120 & Sabertooth 990FX Mobo coming and im doubting whther my PSU can power it all ? Is the 8120 & extra HD6870 gonna be too much ?
Extreme PSU calc says Recommended is 650W
PSU i Use is Antec True Power 650w

The 6870's under load use up to 250Watts, so with 2 that's 500watts. Your 650 watt PSU will probably sustain a 580 watt load constant. 80watts is not enough for the rest of your items.
So, given you system, and if you plan to overclock the 8120, I'd recommend an 800watt PSU. (Good name brand, 80%+ effeciency)
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