1. Partition drive, GUID table, HFS+J
2. Create installer using OSX Yosemite chameleon and select your <installer> drive as target and following:
installer > chameleon 2.3snv-r2510
driver kext > audio > voodooHDA
driver kext > autres-misc > laptop ps2, laptop batterie, usb3.0
fakesmc > fakesmc
3. Hit Install
4. Using Kext wizard install ACPM.kext to <installer>/S/L/E
5. Copy whole Extra folder and replace the one on your <installer> drive
6. Using Chameleon wizard generate your own SMBios file (MPB8.3 is recommended) and save it to <installer>/Extra folder
7. Boot from your installer drive using -v -f option
8. Install yosemite
9. Boot to your previous OSX installation and run the OSX Yosemite chameleon again and now select your new Yosemite OS as target and this:
post installer > chameleon 2.3snv-r2510
driver kext > audio > voodooHDA
driver kext > autres-misc > laptop ps2, laptop batterie, usb3.0
fakesmc > fakesmc
10. Copy whole Extra folder from <installer> and replace the one on your <Yosemite OS> drive
11. Using Kext wizard install ACPM.kext and ALXEthernet.kext to <Yosemite OS>/S/L/E
12. Boot from your Yosemite OS using -v -f
13. Using Kext wizard repair permissions and rebuild cache.
14. Reboot. No flags needed anymore
Enjoy
PS: In case of kernel panic (CPU) install NullCPM but it should be ok. Attached ACPM is patched.
Working: everything but see below.
Not working: stock wifi module > use compatible one, sleep not tested (i don't use it), imessage (NVram still not patched).
G780 Yosemite pack 1.0