hi i just testet BIOS 3305 on Maximus IV GENE-Z/GEN3 and the vcore 1,48v still is an issue on my system.
how are your systems responding to the bios update
Maximus IV GENE-Z/GEN3
intel core I5 2500k
corsair vangance 1600Mhz (manualy setting to 1600 Mhz in bios since it sets 1333)
2 x 500 gb hdd in raid
corsair H80 cooler