SUCCESS!! Well Kind of....
I added this (below) to org.chameleon.Boot.plist
<key>Kernel Flags</key>
<string>-gux_defer_usb2 -gux_no_idle</string>
restarted and my front USB3 worked!!!
I'm having the same issue with USB3 on my GA-Z77-DS3H. I applied <string>-gux_defer_usb2 -gux_no_idle</string> to boot list to no avail...hopefully a fix will come soon. I'm also with out iMessaging. Other than that everything seems to work.
Using Mavericks as we speak for the first time on GA-Z77-DS3H. Install went with out a hitch following guide. From boot screen used -v GraphicsEnabler=No and it loaded to the install. Good luck all!
That's what my card was doing when I installed ATI5000Controller.kext, ATIFramebuffer.kext & ATISupport.kex in ML. The only way I could get anything configured after was in -x safe mode. My solution was to flash my XFX 577A to the orignal 090926 ROM as EwdXD mentioned previously, worked like...
Update!
So after doing some researching and reading...I was able to successfully flash my XFX 577A with the procedure recommended above. I was able to load Mountain Lion OOB with no issues. I currently have a fully working ML 10.8. However, there are things that are not working right, for...
I been trying all weekend to get my XFX 577a-ZNFR to work in ML but its not working. I am able to install ML using GraphicsEnabler=No -v and get to the installer. Then after install, boot again with GraphicsEnabler=No -v and run Multibeast. I saved my old kexts from 10.6.8, however, when I log...
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