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Problem with overheating.Is it the SLI or ram?

Post Date: 2009-07-27
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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Topic: Problem with overheating.Is it the SLI or ram?
    Posted: 27 Jul 2009 at 6:35pm
From my stats down below you can see that I'm running an OCd 8500 to 3.6 and have 2 8800GTS in SLI.  And just upgraded my ram to 4 gig.  My case is a Antec 900 with 2 fans in the front (pushing in), and big @#% fan up top (pushing out), 1 on the side (pushing in) and of course the exhaust fan (pushing out). 
Now is there something I can do besides getting new fans that plow a massave amount of air into the rig to cool it down?  I've seen fans on Newegg that push upward of 150 plus CFM.  Is that what I need?  Right now the Antec 900 case really doens't have much room for all the cables in it.  (meaning they are pushing into the slot where the lower front fan is pushing air and has 2 hard drives in the space also. 
Right now the graphic cards get down to 54 and 50, but thats with AC on in the apartment all day long.  When I play Crysis, before I upgraded the ram I could play before the cards go crazy (because the heat) for about an hour.  Now with the new ram, I can only play for about 5 minutes. 
So could the new ram (now I have 4 sticks of 1066) be the cause of the graphic cards getting super hot?  Or could it be because of the SLI?
The gaming usually stops when my graphc card.. (and I think its just the lower one) at 65 degrees.  Then I need to get out of the game because the screen goes black. 
 
I have a few questions up there in the paragraphic.... If someone could answer all of them please. 
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 27 Jul 2009 at 7:16pm
your case is too small so it does not have much room breath IMO.

give us a screen shot of HWMonitor, keep it open while you are gaming then after 45 minutes or so, give us a screenshot of hwm and lets see what is going on.

65c is nothing to make your card shutdown, so either you got the temp wrong or something else is going on.

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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 4:38am
Well I took a picture of HWMonitor before I started Crysis and after not even 5 minutes of playing time did it shut down.  Now normally the graphics get a strange and lines start to show up.. and then a blank screen.  This is the first time it totally stopped.

NOW I did put in 2 more gigs of ram.  Before I put the 2 new ones in, I was playing Crysis for a long time, now it wont let me play that long. 
The reason I think its overheating is because on the screen the graphics start to go all weird and then game stops or goes black. 

Do you think it could be the voltages??
I did increase them I think (awhile ago)

I can try and reinstall the drivers again, but I just did that.

Really it all started after I installed the 2 extra rams. But the computer boots up fine and reads all 4 rams, so Im not sure what the problem would be.
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 4:46am
Before playing Crysis
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 4:47am
After about 5 minutes of playing Crysis and the game shutting down by itself.
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 4:48am
If you see the top GC temp has increased slightly and VIN3 has increased.  But Im not sure what Im really looking at as far as voltages and stuff like that.
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 5:50am
set your ram voltages back to what they are suppose to be, looks like your northbridge is overheating.

run memtest and see if they pass the test

Edited by DST4ME - 28 Jul 2009 at 5:52am

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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 8:39am
ok , i went to the bios and looked at all my voltages. 
A little history, I was new to overclocking so I went on youtube and found a video about overclocking with a 7501 MB and a 8400 CPU.  Both I have.  So I followed this guys suggestions per the video on setting my voltages

Under the bios I took all the voltages off auto (due to overclocking) and manually set them.

Here is what the guy said to do (in the video)

CPU core - 1.34
CPU FSB - 1.2
memory - was at 2.2 per what the sticks said on the side... I changed that to 2.1
nForce SPP or SPF (cant read it in the picture) - 1.45
NT200something voltage level  - 1.25

Now are those all good?  I'm overclocking just my CPU from 3.0 to 3.6
Now he was overclocking to 3.8.... not 3.6... is that going to make a difference?

Since I was in the bios I did set just the memory voltage back to 2.2 (from 2.1)
Now what??
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 8:48am
Now here is a picture of HWMonitor after I changed the memory voltage back to 2.2
You can see .. on the left side is before I changed and the the right pic is after.
You can now see there are 3 temps listed now... not just 1 (system) as in the left (old)picture. 
Why is that?
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 11:47am
well first off you never use somebody else's settings for your own, each system is different.

second is your PC still shutting off now?

if PC is still shutting off, did your run memtest?

save your bios settings if you like and then set bios to default and see if the PC is still shutting off.

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justin.kerr View Drop Down
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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 2:00pm
I imagine that most of HWmonitors info is wrong. lol, because if it is correct, you have some serious problems.
I would try to measure the power supply voltages with a digital multi meter, to make sure HW monitor is wrong.
Your north bridge would be melted if Hwmonitor is correct, might want to check it out with a infrared temp meter.
I did some testing this weekend and found out that HWmonitor does not read the Intel CPU registries correctly, so sometimes it is correct, and others way off.
Adding ram will not make anything on the computer hotter, except for the north bridge.
As DST said earlier, have you tried reseting the MB to default, and run Crysis with everything stock?


Edited by justin.kerr - 28 Jul 2009 at 2:07pm
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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 7:21pm
ok...ill reset the bios and then run memtest.
once that runs for awhile..ill take a pic of temps
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 28 Jul 2009 at 7:41pm
well first set the bios to default and lets see if it still crashes

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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 29 Jul 2009 at 9:10am
wow... what a trip i just took...
well i reset my bios and restarted the computer.. but before I did that I made sure that the boot order, the CPU and the ram was correctly set.  You know to the original specs for the CPU and ram. 
I then booted and it booted just fine, but windows didnt open.  (I was nervous now).. now what did I forget to turn on since I reset the bios to fail safe settings.  Well it took me awhile to figure it out and I just happen to activate the right settings to work. 
At the beggining, everything worked but I had to internet.  So I went back and enabled something... something.. lan.  (I dont know what it really was) and walla... internet.

Now can anyone tell me what I should and shouldnt enable in the bios??
I need help from the top. 


Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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DST4ME View Drop Down
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 29 Jul 2009 at 12:16pm
if everything is working fine then leave the bios alone.

is the PC shutting down still or is not doing that anymore?

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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 31 Jul 2009 at 4:28am
Well I put the CPU back to 3.0 and the voltages back to normal. 
What I mean DST is... there are certain things you enable or not enable in the bios when your first setting up a computer.. etc... intel speedstep - enable or not to enable... things like that..  I dont want to enable something I dont need. 
This is where I need help.. I dont know what to enable or not. 
Yeah the computer works now, with all 4 gig in, its running a little cooler and I can now play and not have the game shut down on me.  SO it must have been the OC. 
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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DST4ME View Drop Down
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 31 Jul 2009 at 9:07am
bios default normally is where you want to be with a few minor adjustments, things like speedstep are a matter of preference, if you are not oced, forget speedstep. I'm not familiar with your bios, so i'm not sure what options you are looking at.

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brian View Drop Down
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Posts: 505 		  Quote brian Quote  Post ReplyReply bullet Posted: 31 Jul 2009 at 9:41pm
ok thanks for all your help
Antec 900 case
Nvidia 750i FTW Motherboard
Zalman 9500 CPU cooler
8400 3.6
2 gig of 1066 ram
1 Evga GTX 465
24" Samsung LCD

3DMark06= 17,360
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venom View Drop Down
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Posts: 0 		  Quote venom Quote  Post ReplyReply bullet Posted: 31 Jul 2009 at 11:56pm
If the reading for the +12V is right then your system/game is shutting down due to a lack of power most likely.  I would suggest testing the PSU with a PSU tester or multimeter, and if the readings are okay then it is something else.  Otherwise borrow another PSU or get a replacement.

4 sticks of ram has never worked good on the 680/780/790 motherboards due to the crappy nvidia chipset.  It takes alot of tweaking to get it to work properly.

The 121*C temp is completely wrong, you can ignore that (common issue).

Your GPU and CPU temps are great, so it isn't an overheating issue.

Also, the +5V is out of ATX spec (if that reading is right), and the +3.3V is a bit low. 


Edited by venom - 31 Jul 2009 at 11:59pm
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