nqkuwlek Posted January 8, 2016 Share Posted January 8, 2016 my card is nvidia 8800 gt the system seams to detect it but no full res and aceleration what i tried so far: graphicsenabler nvenabler 64 hexadecimal graphics string option via org.chameleon.Boot.plist none worked since im not familiar with dsdt editing and have no idia what to do i ask for someones help btw my card works out of the box on mavericks Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/ Share on other sites More sharing options...
spakk Posted January 8, 2016 Share Posted January 8, 2016 install MacIasl.app and export a raw dsdt, then upload the file Edit: okay I know your hardware specifications: Please enter this information in your signature: GA-MA78LMT-S2 (rev. 3.x)nvidia 8800 gt6gb ddr3 1333 adataand athlon II 250wd 2.5 inch 120gb sata driver (only for osx) Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/#findComment-2204173 Share on other sites More sharing options...
nqkuwlek Posted January 8, 2016 Author Share Posted January 8, 2016 install MacIasl.app and export a raw dsdt, then upload the file Edit: okay I know your hardware specifications: Please enter this information in your signature: GA-MA78LMT-S2 (rev. 3.x) nvidia 8800 gt 6gb ddr3 1333 adata and athlon II 250 wd 2.5 inch 120gb sata driver (only for osx) I know you! DSDT.aml.zip Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/#findComment-2204175 Share on other sites More sharing options...
spakk Posted January 8, 2016 Share Posted January 8, 2016 I have forgot to say, we need an ioreg file, install the ioregExplorer.app and export the Ioreg file Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/#findComment-2204176 Share on other sites More sharing options...
nqkuwlek Posted January 8, 2016 Author Share Posted January 8, 2016 I have forgot to say, we need an ioreg file, install the ioregExplorer.app and export the Ioreg file Here you go btw both files are extracted form my mavericks installation. should i extract em from yosemite? oscar’s Mac Pro.zip Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/#findComment-2204179 Share on other sites More sharing options...
spakk Posted January 8, 2016 Share Posted January 8, 2016 check first Archiv or Archiv2 and write in your org.chameleon.boot.plist this lines:GraphicsEnabler No ...more info, you can read here : http://www.insanelymac.com/forum/topic/298864-geforce-8800-gt-512-mb-stop-working/page-2 Archiv.zip Archiv2.zip Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/#findComment-2204182 Share on other sites More sharing options...
nqkuwlek Posted January 8, 2016 Author Share Posted January 8, 2016 check first Archiv or Archiv2 and write in your org.chameleon.boot.plist this lines: <key>GraphicsEnabler</key> <string>No</string> ...more info, you can read here : http://www.insanelymac.com/forum/topic/298864-geforce-8800-gt-512-mb-stop-working/page-2 thanks mate , somehow i fixed the graphic without dsdt (nvidia startup official when system boots) but now i get white screen the part after the verbos mode when its supoused to show some bar and load well its stuck there (in my native res ) graphicsenabler=no give me black screen ill try your files now Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/#findComment-2204188 Share on other sites More sharing options...
spakk Posted January 8, 2016 Share Posted January 8, 2016 Try with this flag: -x -f npci=0x2000 Usekernelcache=no graphicsenabler=no darkwake=1 1 Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/#findComment-2204192 Share on other sites More sharing options...
nqkuwlek Posted January 8, 2016 Author Share Posted January 8, 2016 i waited like 10 min on the grey screen and now the system keeps restarting after the bootloader ... i gues i must do fresh install now? Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/#findComment-2204193 Share on other sites More sharing options...
nqkuwlek Posted January 8, 2016 Author Share Posted January 8, 2016 to make the grafic card work you need smbios macpro 3.1 and bootflag npci=0x3000 also if you have sability,app srote, itunes problems use this kernel http://www.insanelymac.com/forum/index.php?app=core&module=attach§ion=attach&attach_id=157839 1 Link to comment https://www.insanelymac.com/forum/topic/310267-nvidia-8800-gt-yosemite/#findComment-2204271 Share on other sites More sharing options...
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