Core 2 Duo SpeedFan 4.32 Temps?

RonAKA

Member
Feb 18, 2007
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The new SpeedFan 4.32 has capability to measure the two core temps as well as the CPU temp. I'm curious what others are getting at idle? On my E4300 running at 3.1 GHz on a stock cooler I get the following:

System - 33C
CPU - 34 C
AUX - 127C
HDO - 33 C
Core 0 - 21 C
Core 1 - 21 C

All reading except AUX show a blue down arrow which I presume means below temp. Occaionally one or the other will change to a green check mark. Couple of questions.

Where would the AUX be coming from? I would hope 127C is a bad reading, or should I call the fire department - it has a red flame beside it!!

Does it seem correct that the core temps would be below the CPU temps? Anyone know where the pickups are physically located? Possible that the core pickups are closer to the heat sink?
 

allies

Platinum Member
Jun 18, 2002
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Possbily, but that temp cannot be right.

My temps are as follows:
Temp1: 40 (Northbridge)
Temp2: 27 (CPU, Tcase)
HD0: 30 (Seagate Barracuda)
HD1: 36 (WD RaptorX)
Core 0: 29
Core 1: 30
 

Binky

Diamond Member
Oct 9, 1999
4,046
4
81
E4300 core temp readings are ~15c too low. Tell speedfan to add 15 degrees.
 

PCTC2

Diamond Member
Feb 18, 2007
3,892
33
91
I've got a question on speedfan. I'm running 3.56GHz on my E6400 on an eVGA 680i.
Is there a conflict with speedfan and the eVGA 680i?
My system temp is reported as -65C (negative 65C) which is quite physically impossible (i am not running LN2).

My temps are:
System: -65C
CPU: 35C
AUX: 28C (what is this?)
HDD: 28C
Temp1: 40C (Motherboard? What is this also?)
Core1: 40C
Core2: 37C

Ambient is 19C.

thanks in advance.
 

RonAKA

Member
Feb 18, 2007
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SpeedFan does not seem to do a good job of reliably reading all the temps. As was posted earlier you can put a bias in SpeedFan if you know what the temp should be. Intel's TAT seems to give a more reasonable Core temp for my system than SpeedFan - around 40 at idle, or 8C above single CPU temp. This article is helpful in understanding it, but I'm not sure about their core running at +15C over CPU theory.

http://forumz.tomshardware.com/hardware...o-Temperature-Guide-ftopict221745.html

I've concluded the aux reading is likely the power supply. I have it on two computers using the same power supply. There is connection from the power supply to the board. One one it is reasonable, however on the Asus P5B it is not at 127.
 

Emo

Senior member
Oct 9, 1999
349
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76
Try using Everest or TAT. I am using Vista and neither Speedfan nor Coretemp work right.
 

wgoldfarb

Senior member
Aug 26, 2006
239
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Ron,

I also have th eP5B Dlx, and after some online searches I found lots of P5B owners with AUX readings of 127C. It appears to be an unused sensor, or a bug in Speedfan. Speedfan support for the P5B is relatively recent, so maybe all the kinks are not fully worked out yet.