@adolfo88
If you read this thread from page one you'll find useful information to help build your system.
here is the guide from tony it is for gigabyte board and most z77 board
viewtopic.php?f=169&t=59052
the only difference is
bios setup before installation
-disable Asmedia USB 3.0
-disable Asmedia SATA
mutibeast
selection follow tony's guide except the following
Audio select ALC898 both non dsdt enabler and patch appleHDA
Graphics depends what graphic card you are using
if using HD4000 there is no full graphic acceleration until next week
chemeleon and chimera update for 10.8.0
ATI 7870 i believes there is no support right now
-Patched AppleIntelCPUPowerManagement
os x 10.7.4 ivy bridge
Network
hnak's appleintel1000
edit: new bios cause usb keyboard and mouse not recognize during first boot after installation.
Disable intel network, enable it after get back to the desktop.