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Got KP when I installed a GT430 to my system


toolbox1234
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Fermi architecture video cards are not supported on 10.6.4 and lower.

 

Boot into safe mode with -x, update to 10.6.6, install the latest drivers from nvidia and use GraphicsEnabler=y in /Extra/com.apple.Boot.plist.

 

Can not boot into safe mode. When using -x, the same "computer needs to power down..." message shows up.

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Hey toolie, sorry could not resist.

 

I have a Zotec GTX 460 1GB, and it runs perfectly well on 10.6.3, and now on my 10.6.6. This is what I did, try it I hope it works for you as well.

 

In windows use gpuz to dump your graphics bios. Change the name to Nvidia.rom.

 

Boot into Mac copy the bios to the root of your Mac HDD. Remove all graphics injectors. In S/L/E copy this file to your desktop.

 

NVDANV50Hal.kext . Modify your .plist with your hardware and device IDs.

Use kexthelper to install this kext back to S/L/E. Make 2 copies of your com.apple.Boot.plist.

 

Use OSX86Tools and make a custom EFI string with your Cards make, model, ext.. . when you are finished the wizard, you have 2 windows. The top one is the plist info ** do not use **. The bottom has your EFI string, leave the window open.

Now open your com.apple.Boot.plist, and ADD these lines in red at the bottom, above the last dict and plist.

 

<key>PciRoot</key>

<string>4</string> <- add your cards pciroot here.

<key>UseNvidiaROM</key>

<string>Yes</string>

<key>device-properties</key>

<string>Copy and paste your string here</string>

</dict>

</plist>

 

Save your com.apple.Boot.plist, and copy it back to it's original location. Close OSX86Tools.

 

Repair permissions and reboot.

 

Let me know if this works for you.

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Sorry I missed the can not boot to safe mode.

 

If you can read/write your Mac HDD in windows, remove all graphics enablers/injectors. Remove these kexts from S/L/E.

 

NVDANV50Hal.kext, NVDANV40Hal.kext, NVDAResman.kext.

 

Try a boot into OS X with your -x -v flags, post the error if it doesn't boot.

 

Good luck.

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