Thanks to your guide, I have finally installed OS X on my Asus P5Q Pro + E8400 + Gigabyte ATI 4850. Everything worked according to your guide, except for 'PCIRootUID=1 -x' parameter and the graphics card.
Xfx Motherboard Drivers Windows 10
Mine didn't work unless '-x' (safe mode) option is enabled, for both initial install and HDD boot after install. As for the graphics card, Googling and trying a few different methods didn't work until I came across this post: Update to Lion worked without a hitch, following Tony's guide. Oh BTW, it just does NOT work if you are not using original Retail Snow Leopard DVD. Even backup copy of the same DVD doesn't work. Thanks again! Hi - sorry for my late reply, been kind of busy at work, lately Anyway, you're welcome, that was the purpose of my guide, even thou I still haven't gotten around to do af Lion Upgrade follow-up.
But, like you said, follow the TonyMac guide, and you're good to go. Glad to hear that you got your GFX working, eventually. However, all I did was to install the ATI48xx Exotic patch from the MB installer, and everything worked like a charm.
Only thing I still haven't gotten around to get to work, is my dual-DVI in either Snow og Lion. But I'll try an EFI string and see if that does the trick, og maybe I'll finally be going DSDT on my system - at the momen I'm still running without an DSDT, so I've got a working system, thou some minor tweaks needs to be done - just haven't got the time at the moment. But, on the 'to-be-done' checklist are: full dual-DVI output sleep DSDT implementation (due to no-sleep issue, mostly) Other than that, I believe my system are working top notch, but will post my findings on the above ASAP for your leisure. App Store log-in issue 18) Download EFI Studio - download from here Run EFIStudio 1.1, and then on the first drop down list, select 'Ethernet'. Click 'Add Device' and there should be a new window that pops up with something like this on the bottom: 4b0000007fff0e000001 Open your com.apple.Boot.plist in your Extra folder (if you are using the latest boot loader, there is no com.apple.boot.plist in /Extra, you will need to add the string to /Extra/org.chameleon.Boot.plist) and add this hex code to the plist via text editor: device-properties hex code here. Your board uses the ALC1200 codec as mine, so, I think you should be able to get it to work with the kext from the link, below: According to the author of the kext, it should work on 10.5.x, 10.6.x, 10.7.x - if you go on to 10.8.x it's uncertain if this works.
But, just try and download that kext - my own audio kext is also from this site, but is another version of this kext, and it works like a charm. Come to think of it, I think the audio kext I use and I've attached to my guide at the top of this post, would probably work for you, as well.
If all else fails, you'd probably get it to work by using the latest Voodoo HDA from the latest MultiBeast for Lion, however, this is a kext made for several different types of audio codecs, and some of the functionality from your codec might not work, but, it should give you sound. Just keep in mind, some users report kernel panics when using the Voodoo HDA (I've encountered some, as well, so kept digging until I found a working kext for ALC1200). Anyway, you could try that as well, just remember to keep a copy of rBoot ready, in case you get a kernel panic, so you're able to boot into Lion, in case Voodoo HDA breaks your installation By the way, no problem - I were given a lot of help, when I first started installing OS X, so it's good to give something in return.