Core center readings VS. Bios readings ?

Hi there,
I am getting a core centre alarm saying my +12V is at 1.74V only!
The wierd thing is when i cehcked the bios system health tab all reading were ok for both +12 and -12.
What is the correct reading? the Core centre one or the bios?
See my sig. For my PSU specs.
i got windows XP Pro with all drivers and bios updated to the latset with "live update 3" by MSI.
Thank you!
Gil

dcasole,
You say  
Not sure if this is the problem as I do not put any faith in CoreCenter but what I can tell you for sure is your powersupply is severly underpowered on the 12v rail if you are using a prescott .
 If CoreCentre if not any good, should i trust PC alert 4?
And how come the health reading on the bios are all ok ?!?
thank you,
Gil

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