Hey chhuong,
Have you had any success on this yet? And did you have to do anything special to get your dual monitors working up until 10.8.5?
I have an ATI Sapphire 4870 512MB with dual DVI that I’m trying to get working with 10.9.2. I’m using DVI to HDMI adapters for both 1920x1200...
Disregard. I studied up on Dot-Slash commands (Google for "About the Use of Dot-Slash in Commands") and realized I needed to rename the downloaded executable to "speedstepper" from its downloaded name and run the command above against "speedstepper". That gave me the successful patching...
I've sucessfully recompiled my DSL and placed the AML in the /Extra/ folder as DSDT.aml.
When I run the speed_stepper_lion_1072 executable, I get the following result message:
Last login: Sat Feb 11 14:06:48 on console
Name-Mac-Pro-2:~ Name$ /Users/Name/Downloads/speed_stepper_lion_1072 ...
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