Question about under/over voltage on boards

[luigix]

Hi, sorry if its in the wrong section, but i wanna ask...i noticed my board is undervoltaged, i.e whatever vcore settings i set isnt the true amount of voltage supplied to the core, this is proven by the hardware monitor in bios, or using programs like ai suite, etc. However, does it mean that all P5B Vanilla (the board i am using) in the world are also undervoltaged, or is it just mine or maybe a couple more? That is, without any form of modding such as a pencil mod or something.

Thanks for taking note.

[PCTC3]

I don't know if anyone has answered you by other means, but that's called vDroop. the voltage across the CPU drops as it is stressed and used by programs. not really undervoltaged. My vCore is at 1.58125 but it shows as 1.544 because of vDroop.

[luigix]

icic..so which to trust as the real vcore? the bios' 1 or the program's sensors?

[PCTC3]

the real vCore is the one in the BIOS.
the vCore reported in some programs (CPU-Z is often more wrong than right) is the voltages reaching the core during usage.