CPU Core Voltage goes up to 1.7v via BIOS. More may be
desired when one has the cooling to match.

4 ASUS P5W DH Deluxe Simple Pencil Mods

Locate this portion of the motherboard, right beside the CPU
socket. You can monitor VCore from the BIOS. Pencil the resistor circled to
increase voltage. Original Resistance is about 820 ohms. Go down slowly, about
20 ohms at a time, to increase voltage.

Finally, for those who really want to tweak, there is the
VFSB to fool around with.

3 ASUS P5W DH Deluxe Simple Pencil Mods

Locate this portion of the motherboard, right below the first
PCIE x16 slot. You can measure VFSB from the spot shown. Pencil the resistor
circled to increase voltage. Original Resistance is about 1.17Kohms. Go down
slowly, about 20 ohms at a time, to increase voltage.

And there you have it! Good luck Michelangelo!