water_cooling_man Posted April 26, 2014 Share Posted April 26, 2014 Installed 10.9.2 as a new install on a Gigabyte GA-EP45-UD3P using a Chameleon-based installer and no DSDT. Everything works fine. The Sapphire AMD 4870 512MB has worked perfectly from the start (on one monitor) with QE/CI but had no dual monitor support. Using DVI to HDMI adapters to feed the two 1920x1200 HDMI displays. To try to get monitor #2 to work, I installed "QE/CI Exotic Patch for Mavericks 10.9.2" by Sascha_77 from this forum. Am able to see boot up text on both monitors during boot. I can use the "Gather Monitors" from OS X System Preferences to "arrange", but monitor 2 never lights up (other that during the boot process). I'm using the main x16 slot and PEG setting in the BIOS. I haven't seen definitive success with dual displays as a result of any googling. Graphics/Displays system info screen capture is attached. Any ideas? Thanks! 4870.tiff Link to comment Share on other sites More sharing options...
ashindnile Posted April 26, 2014 Share Posted April 26, 2014 From what I've heard this isn't possible right now. But if you do find a guide you're not able to follow, link it here. Link to comment Share on other sites More sharing options...
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