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Will a Q6600 65nm be ok in a 45nm Mobo?

W

WangoZ

Senior member
I have a nice "new to me" home pc system that seems to run nice and smooth until I stress it out even a little. The system simply shuts down when 3dMark (on the CPU tests) or Prime95 is run..The P95 test barely gets going before it shuts down. I am checking everything I can to see what the issue is. One thing I should mention is that my son plays Oblivion without a glitch on this machine!
The question is will a 65nm Q6600 have ANY issues long or short term in a 45nm Mobo? It's the Abit IP35P.
This Mobo is apparently designed for the socket 775 45nm processors according to the CPU specs rather than the 65nm.

I did watch the temps (coretemp) while running memtest last night and saw the 4 numbers rise into the high 70's and that's with a thermalright Ultra-90 rather than stock HSF. All of the settings are on default with no overclocking right now so I'm clueless other than this thought...Any help or ideas would be greatly appreciated!





 
The IP35 isn't a "45nm mobo", they only had 65nm Quads available for the first 6-9 months of the board's release.
 
Thanks Aka, I might be confused by this :

LGA 775
Intel® P35/ICH9 Chipset
45nm CPU with 1333FSB
Dual DDR2 1066 OC
SATA 3G
On board Gigabit LAN
7.1 CH HD Audio
abit SoftMenu Technology
EZ CCMOS Switch
12x USB 2.0
RoHS Compliant
Vista Premium HW ready

It's on the CPU specs section of the Mobo description...I am easily confused!

 
That just means that it can and will support 45nm quad core CPUs as long as its a socket 775 CPU. I just bought a Q6600 even though my board support 45nm quads.
 
In the BIOS there are probably options for the motherboard to shutdown and/or warn you if the CPU temp gets too high. Check these settings. They should be under "Power options" or similar. I don't think they are usually enabled, but they might be on your board. Try changing this setting by raising the shutdown temp.

You may want to verify that your RAM is running under specification and you should run Memtest. Although, I doubt the RAM itself is the problem since your son an play games just fine. And since you mentioned this, I doubt the power supply would be the problem either. However, running as many tests as you can is good and helps narrow down the problem.
 
have you applied thermal paste to your processor correctly? Sometimes too much or uneven distribution can cause odd temp's, also check to see your push pins for your processor are all the way down they are kind of tricky. I jsut ordered a backplate for my HSF because the clips were a piece of trash and lost their hold on my Xigmatek. Other than that I would say check your temps. High 70's is pretty damn hot and makes believe your cpu fan is failing, or the HSF has bad contact with the cpu. Keep up posted
 
Thank you all for the replies and assistance! 2 clips for the Ultra-90 going into the Mobo had loosened and sort of popped out of the holes so the contact to the cpu was crappy. I removed it, cleaned both the HSF and the CPU and reinstalled with AS5 and was careful when I put the tower back into it's place so I wouldn't jar it loose again. Now I can run Prime, 3dMark and whatever else without a glitch! And, my temps were in the low 60's at full load.
Amazing how that gives you piece of mind to see them lowered..
This forum is a wealth of knowledge and resources!
 
I realized also that I hurried through making sure they were in the right way the first time, my hands were a bit to big to have room in there to turn them...Lesson learned with taking your time and doing it right, it could have cost me my CPU!
 
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