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Hello.
I just want to show you a method for running almost all not working/not working properly Mobility Radeons 5xxx and maybe 6xxx. Even with laptops with 1600x900.
Why that card doesn't work properly?
Because of Chamelon. It's GraphicsEnabler just injects to system information about graphics card, framebuffer what to use etc. It's use a desktop framebuffers to mobility cards. Because of this most cards working with a EDID injection. It's a screen mirrored from VGA - when you connect VGA, you see same image as on LVDS.
If even framebuffer patch not working, that's because Apple kexts can't catch EDID from your screen. And no, injecting it with normal method will not work.
I suggest you using a modified ATY_Init instead od Chameleon's GraphicsEnabler. This one from attachment is configured for Radeon 5650M (DevID 0x68C1). If you using this card, then just change EDID in Info.plist of this kext and here you go - your graphics will be working. But if you use different card, you must change 0x68C1 to 0x1234, where 1234 is DevID of your card. This change you must do with hexeditor. Edit file Contents/MacOS/ATY_Init in kext. Then you must change your EDID.
EDID is in value AAPL00,override-no-connect .
If you will to have a fully working graphics (with DVD Player etc) you must patch your framebuffer. There is many good tutorials about it, so I don't be talking about it.
After you patched framebuffer, must you change any reference to ATY,RadeonFramebuffer to ATY,YourFramebuffer in Info.plist in ATY_Init.kext.
That's all. Your graphics will be fully working.
Tested on:
- eMachines E730G, Radeon 5470M, 1366x768 (fully working with sleep!)
- Sony Vaio VPCEC3M1E, Radeon 5650, 1600x900
- Asus K72DR (AMD), HD 5470M, 1600x900
Sorry for my very bad English, I just don't want to use translator.
Cheers,
Mietas
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