its supposed to be 1.4v for all cpus as far as i know, i run at 1.388v so i'm pretty close, if u need 1.488 for 4ghz it means your doing something very wrong...
No, theres nothing wrong. Some phenoms are LAZY.
YES im beating the arse of my 965 with those 1.55v but hey, i change cpu like changing my pants so its fine.
AND YES, i was bumed at how SPECIALLY LAZY was my sample.
My 720 C1 did 4.0@ 1.5v so... i sweared a lot on the mother of the 965 one....