For any of the ATI graphics card work correctly on Mac OS Xmust be loaded the kexts
ATIxxxxController (kext for the graphics controller)
ATISupport (kext responsible for supporting the ATI in mac os x)
ATIRadeonXxxxx (kext responsible for graphics acceleration)
update: OS X 10.8
introduction of new kext:
that will replace the ATIRadeonx3000
the provision of kext editing is by families in my case is the Cedar
Captura de ecrã 2012-06-13, às 12.33.22.pnghttp://en.wikipedia.org/wiki/Evergreen_(GPU_family)
you need to know your graphics familly and edit in the familly with Vendor Id and Dev ID ex : (0x100268E0)
update : 10.8.3
new kext ati7000controller to give support to the new amd series 7xxx, basically the procedure is the same explain before, the amdradeonaccelerator is responsible to give acceleration, and have new graphics family to the new amd 7xxx.
<string>Yes</string>It may eventually be loaded another kext
<string>name of Framebuffer</string>
All these commands can be activated by the excellent work toolChameleon Wizardhttp://www.insanelymac.com/forum/index. ... pic=257464Download Chameleon last versionsviewtopic.php?f=9&t=70Graphics Cards currently supported by Chameleonhttp://forge.voodooprojects.org/p/chame ... saio/ati.cIf none of the first kext are loaded, is so because of the graphics controller kext and graphics acceleration does not contain the device id or vendor id of your graphics. So have to be edited in info.plist
.how to get your device id and vendor idviewtopic.php?f=18&t=63how to editviewtopic.php?f=18&t=1704
Edit the file Info.plist of the kext and add the ID of your card (0xDeviceIDVendorID
) in the IOPCIMatch key
<string>0x68981002 0x68991002 0x68E01002 0x68E11002 0x68D81002 0x68C01002 0x68C11002
0x68D91002 0x68B81002 0x68B01002 0x68B11002 0x68A01002 0x68A11002</string>
In this example i used the ATI5000Controller, but the procedure is the same for any of the graphics controllers.
then also edit the kext responsible for the acceleration
4xxx series (ATIRadeonX2000)
5xxx e 6xxx series (ATIRadeonX3000)info.plist
ATI Mobility Radeon HD
In the case of ATI Mobility, the procedure is the same, though generally more problems arise.Forced EDIDhttp://www.insanelymac.com/forum/index. ... pic=208410
If the solutions presented in the first part of the topic do not work with your graphics on your notebook, you can try this solution which is what I use on my notebook Forced EDID.
For that you must obtain on windows the Raw Data
of your screen there are some utilities for this.
edidviewer.pnghttp://www.entechtaiwan.com/util/moninfo.shtmhttp://www.eldim.fr/products/display-co ... edidviewer
After obtaining this information you should keep a file with the extension *. txt, then proceed on Mac OS X to edit another file system located in
to do this make a copy of it to the desk, and changed its name to DisplayProductID-717.plist, introducing the Raw Data obtained by the method described above, an example of the original file and the file already containing the Forced EDID Raw Data.
After this step, simply renaming the file, removing the .Plist and re-copy the file to your place of origin, and run Disk Utility, repairing permissions volume where is the modified file.
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