Temperature disparity - which and why?

[spaceboy_psy]

Hello all

Running Athlon XP 3000+ on an ASUS A7V600-X motherboard, and am getting odd temperature readings. Using software (both speedfan and pc wizard) I get a much lower CPU temperature than my BIOS tells me. eg. when software was telling me 49C my BIOS was saying 60.5C! The MB temps are the same in BIOS and software.

Which should I trust and why the difference?

Also, which will affect where my CPU starts using thermal throttling and/or restarting itself due to heat?

Thanks very much!

Simon

 

[vick1000]

AXPs did not....do not have thermal throttling like the Intel chips of that era.

 

[spaceboy_psy]

Really? But they do have some form of thermal throttling surely? I know with quivering experience that it turns itself off when it gets too hot...

 

[BUFF]

Using software (both speedfan and pc wizard) I get a much lower CPU temperature than my BIOS tells me. eg. when software was telling me 49C my BIOS was saying 60.5C!

when in the BIOS the system doesn't have access to things like the System Idle Process so the CPU will run at higher temps than idling in Windows.