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Q9450 sensor query/worry

Vahldark

Vahldark

Vahldark

Associate
Joined
10 Dec 2008
Posts
11
Well, a belated Merry Christmas to you all and a Happy New Year to come.

Now to my question:

Using RealTemp 2.60 I ran the sensor test. I keep getting the same results, which are as follows - Core#0 = 4, Core#1 = 0, Core#2 = 0, Core#3 = 0.

I find this worrying as it say if there is a reading below 3 there might be a problem, if below 0 then the sensor is stuck. I've run Prime95 for 10 hours and the results weren't much better either.

Could this be a simple case of removing the cpu heatsink, and cleaning both heatsink and cpu surfaces, reapplying TIM and reassembling cpu and heatsink?

This is my second build pc, so I'm still a bit green to all the serious technical stuff, as it were.

The current cpu temps (as displayed by RealTemp 2.60 in degrees C) as I write this are - Core#0 = 31, Core#1 = 37, Core#2 = 36, Core#3 = 36.

My system build is as follows (I'd love to OC this system to about 50% of its max OC capability, but not sure how best to go about it safely?):

ASUS P5K Premium Blackpearl Wifi Deluxe
Be Quiet! 750W psu
Intel Q9450
GeIL dual channel DDR2 Ultra pc6400 800MHz CAS4 x 4Gb
Arctic Cooling pro7 heatsink
Samsung Spinpoint F1 1TB SATA-II 32Mb cache
BFG GeForce 9800 GTX+ OC 512Mb GDDR3
Windows Vista Home Basic-64bit os
Antec 900 Gaming Case

Many thanks in advance.
 
Your sensors are stuck, same as my E8600.
I have contacted Intel and they seem to say there is nothing wrong and the cpu will protect it's self in an invent.
 
You'll get absolutely zero joy out of any retailer if you complain the temperature sensors don't work. They are not a feature of the CPU and they don't affect it's performance. The fact that third party software can access 'private' data on the CPU is a bonus, not something you actually paid for I'm afraid. This has been tried in the small claims court and the plaintiff lost.

I've had umpteen engineering sample (ES) CPUs and none of the temperature sensors worked properly. That didn't stop them being superb CPUs though.

Q9450's can run at 100C core temperature and still not throttle, so I wouldn't worry. If you find any system instability your retailer might be a bit more supportive, but it's really nothing to worry about.

I'm assuming it is a retail CPU and not an ES CPU?
 
Sorry about the double post - would appreciate it if you could delete the one in 'Hardware' ... many thanks, and my apologies.

In response to WJA96, yes, it is a retail CPU, and the temps were more or less (+/- a couple of degrees) the same as they were from the start of the Prime95 testing run.

Would this sticking of the CPU sensors suggest I'd best not bother trying to OC the system? Also, regarding the build, would you folks be of the opinion that it is worth OC'ing it at all?

cheers :)
 
Just built mine yesterday and read about your problem, to see whether I need to worry. I also have a Q9450 :)

My readings were 7,6,4,7 (can't remember what order :D ) So there may be something wrong with yours, however as the first poster said, they are just temperature sensors, so the processor could still be awesome :)
 
Just tried mine,

result-

Core 0: 9
Core 1: 11
Core 2: 11
Core 3: 9

WJA96 said:
Q9450's can run at 100C core temperature and still not throttle, so I wouldn't worry.
Click to expand...

Glad to hear this, using Core Temp I was seeing temps of upto 60C at full load which did have me slightly worried!

What voltage are you guys running your Q9450 at?

Mines currently at 1.256v running @ 3.42Ghz 100% stable, the cpu doesn't seem to like anything above 3.45Ghz.
 
HamZaDaG said:
Eeerm, I believe my voltage is 1.00v :D I haven't gotten round to overclocking yet, still need to read up on it somemore :P
Click to expand...

Whats to read, just fiddle around in the bios, job done :p

Don't go above 1.35v though, it should be able to handle upto that easily but I reckon 1.3v max and see how high it goes.
 
HamZaDaG said:
So I'm guessing you have the FSB on 450, did you find anything higher than that unstable ?
Click to expand...

I've got my ram voltage at the default 2.1v in bios

I've got the cpu voltage at 1.275v in bios, which in cpuz shows as an actual 1.26v

The FSB I put straight to 425 (multiplier X8) = 3.4Ghz

If I try at 3.5-3.6Ghz even with the voltage a bit higher closer to 1.3v, it doesn't like it, system crashes, but at the above settings it hasn't crashed once, 100% stable :)
 
its not only about cpu voltage and dram voltage with intel lol

you need to alter the PLL, Northbridge, FSB Termination voltage and other settings like transaction booster / ai clock etc.. to get a good overclock

what bios are you using? (that also makes a difference)

you might want to drop the multiplier and see what if you can get a higher fsb

you might want to read other threads / forums etc.. if you can be bothered :p

...if you can be bothered
 
Exactly....if you can be bothered :D

I'm not looking for any serious overclocking anyway so I don't think I'll need to change those. 3.0-3.4Ghz clock speed is good enough for me :)
 
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