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Couple of concerns CPU

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December 21, 2009 5:07:35 PM

Hi guys

I have a couple of concerns regarding my newly purchased q9300.
Basically, a couple of readings on 2 cores seem to be stuck on 50c and max at 57c on 3d aps, and the others are ususally in the range of 30-40c. my first initial thought was the two cores were being used 100% in aplications but they were all equally used teh same.
here is a pic:


Also, cpu-z seems to read my core speed as 2ghz when its meant to be 2.5ghz. Is this speedstep by any chance?


Greatly appreciated if you could answer my questions.


Regards

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December 21, 2009 7:18:05 PM

I'd venture to say that SpeedFan is not very compatible with your system. Your system wouldn't work if the 12V rail was only 1.15V. Unless your PC is in a very cold place, Core 3 temp readings are totally wrong.

SpeedStep is active (which is fine) and it slows down the CPU to a x6 multiplier. Run Prime95 and it should run at it's rated speed.
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December 21, 2009 8:04:10 PM

GhislainG said:
I'd venture to say that SpeedFan is not very compatible with your system. Your system wouldn't work if the 12V rail was only 1.15V. Unless your PC is in a very cold place, Core 3 temp readings are totally wrong.

SpeedStep is active (which is fine) and it slows down the CPU to a x6 multiplier. Run Prime95 and it should run at it's rated speed.


I have to agree. Speed fan looks like it doesn't like your system much.
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December 23, 2009 2:18:59 PM

OK well i've removed my cpu coller (arctic pro 7) and put a bit more paste on and made sure it was screwed in to the max. I have used coretemp to check temps again and it's still the same for the two cores.

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December 23, 2009 2:35:20 PM

Check your motherboard BIOS to make sure that all 4 cores are enabled. Some motherboards seem to default to 2 cores. That's one possibility.

But you do have another problem. It looks like you have two cores (#2 and #3) reporting correctly. Around 30 C is pretty good for idle temperatures. 50 C is much too high for idle temps, especially with SpeedStep active. This looks like the cooler is not mounted properly.
December 23, 2009 3:01:19 PM

Ok used realtemp and it's still the same.

My specs:
OCZ stealth 600W
c2q 9300 2.5ghz
crucial 2gb 667 mhz
Gigabyte GA-G31M-ES2L iG31
ATI HD4850
500GB HD
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December 23, 2009 3:13:29 PM

Then you may have stuck sensors on cores 0 and 1. The CPU still works fine, but you'll have to RMA it if it really bothers you.
December 23, 2009 3:29:21 PM

Yeah i think i agree with you. Now my core 0 and core 3 are at 50C idle 58c Load. Must be a dodgy sensor.

Thanks anyway guys

regards
!