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DFI Expert CPU temp sensor reporting incorrectly?


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my temp problems are even more unnerving. my expert BIOS reports my opty 175 (unsupported, i know) idling at (-) 116C! is this negative 116C? cuz smartguardian reports it at around +140C! *sigh*

 

my board was shipped with 11/02 bios. i tried all the BIOS's on TMOD's CD but none of them fixed the problem. now back to 11/02.

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OK some more measuring

 

Opteron 165 at 2.6GHz 1.44v under load with dual SP2004 blend with manual affinities

 

reported vcore idle 1.45v

reported vcore load (smartguardian) 1.43v

reported vcore idle/load CPUZ 1.44v

 

case side Open...........amient temp 25C

 

PWM reported temp=34C

Temp probe measurement on one of the heatsinks = 40.5C

 

putting a fan over PWM area dropped a staggering 14C in reported temps :eek2: from 48 to 34........with closed case/no fan it was 54C reported (don't even want to think about actual temps :rolleyes: )......crazy

 

 

 

reported CPU temp = 31C

temp probe measured = 37C on side of heatsink(not sure if it was touching CPU heasink)

*****note putting a fan on PWM reduced my CPU temp from 36C to 31C*****

 

 

chipset reported = 43C

measured = 46C

 

 

TCCD RAM with 2.7v under load 33C with fan and 34C without fan (slow spinning 92mm fan....running on 5V)

 

 

temp7lh.jpg

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Ok, it's cold out, but not THAT cold. Check out these temps, at stock, aircooled with fan full-on :D

 

cold2fb.th.jpg

 

Then again, when oc'ing the cpu to 260, vcore 1.54 (read straight off the mobo - smartguardian reads 1.52) at full load I'm getting temps at 28/29.

 

Temp probe on hsf (fwiw) reads 26.

 

Cause for concern? I dunno - no meltdowns yet, but it makes oc'ing sth of a guessing game!

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mine idles at 45C (though its idling at 38 atm ... ) with the stock cooler cpu fan running at around 1300 - 1400 rpm (according to the bios)

MBM 5 reports the same thing, except it believes the fan is running at 7000rpm

 

Haven't really had time to put it under a load yet :S

 

if it weren' for the LEDS, i'd forget that the thing is even on its that quiet.

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mine idles at 45C (though its idling at 38 atm ... ) with the stock cooler cpu fan running at around 1300 - 1400 rpm (according to the bios)

MBM 5 reports the same thing, except it believes the fan is running at 7000rpm

 

Haven't really had time to put it under a load yet :S

 

if it weren' for the LEDS, i'd forget that the thing is even on its that quiet.

have you got a temp probe to check the temps physically on side of the heatsink at least

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no, i think one of my mates has a infra red (or laser or whatever) thermometer which i am gonna borrow and see;

 

if i can't get that, i'll have to pick up a probe

 

Its not hot to touch, but it is quite warm

i bought a $8 from coolpc in queensland i think they are......it's accurate to within +/- 1C .....just do a search on their website

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