Confused by Speedfan readings

Putter

Geek
There are so many reading in Speedfan, I'm not sure what to look at. And one of them seems abnormally high. Here's what they look like:

Temp1: 48C
Temp2: 39C
Temp3: -1C
HD0: 42C
Core1: 42C
Core2: 43C
Core: 70C (?)
Ambient: 0C

I'm particularly concerned and confused by the 70C (with a fire symbol). And what's the difference between Temp and Core? The manual isn't very helpful. I think those Core1 and 2 temps look OK, since I just moved to a place without air conditioning and it's hot out. But do those look ok?

I have a C2D e6400, and Antec p180b case with 3 fans set to low. I'll post other specs should it be of any help.
 
Likely just a false reading. I like everest. It usually doesn't show readings that don't exists.

You can feel the various heat sinks in the case with your finger. 70C is enough to put a scold on your finger.

If that reading Is not in bios than don't worry about it.
 
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