VR-Zone has written an article on voltage modding the ASUS A32N SLI Deluxe motherboard:
"The ASUS A32NSLI Deluxe is one of the most painstakingly engineered board x16 SLI motherboard based on the AMD S939 socket. It tries to win in all areas from the looks to the overclockability and stability with its 8-phase power circuitry. Within means of the BIOS, the board gives up to 1.76v for the CPU with the over-voltage option. For most of the normal-users, this is more than enough. For the die-hard overclockers with exotic-cooling such as phase-change or even benchmarking enthusiasts on Dry Ice and Liquid Nitrogen, they may be looking for more voltage than that.."