Installing UEFI for Windows 8 and dual booting with Mountain Lion can't be done using Chimera / Chameleon as the boot loader - they cannot see the Win8 boot files partition.
No matter how you install them, the first thing you need to do is boot to BIOS and make settings for OS X install, AHCI, SS3, HPET 64 bit, etc. as required - save&exit & continue boot. For specific BIOS settings refer to your mainboard manual or to one of the many threads in User Builds or Golden Builds forums. Most...
[Guide] Dual Booting Mountain Lion and Windows 8
No matter how you install them, the first thing you need to do is boot to BIOS and make settings for OS X install, AHCI, SS3, HPET 64 bit, etc. as required - save&exit & continue boot. For specific BIOS settings refer to your mainboard manual or to one of the many threads in User Builds or Golden Builds forums. Most...
[Guide] Dual Booting Mountain Lion and Windows 8