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Evaluate your cheap price with best price online store. Cheap AMD Radeon HD 6970M HD6970M GDDR5 1GB Video Graphics Card for Apple iMac A1311 21.5-Inch Mid-2011 MC309LL/A MC309 Desktop.

Copy the edited extensions packages to /System/Library/Extensions.Save the file and proceed to do the same with the second extension. Search for string IOPCIMatch and add your card's device ID.Open the "Contents" folder and Open the file ist with your editor.The extension will open as a classic folder. Right-Click on the first extension you copied on your desktop and use "show package content" option.Keep one copy of each in a safe place, and one copy of each in your desktop. Back up the extensions you're going to modify (here NVDAResman.kext and NVDANV20Hal.kext).Go to your root disk (OS X installation) and go to folder /System/Library/Extensions.First is NVDAResman.kext (used by every NVIDIA card), second is NVDANV20Hal.kext (specific kernel extension for GeForce 4 series / NV2x GPUs)īefore physically installing your Mac flashed card, let's proceed with the Extensions hack. Quadro 4 / GeForce 4 Ti series will use 2 OS X extensions to operate.Device ID of the card is 025B (Quadro 4 700 XGL) 10DE (NVIDIA).have an editor capable of modifying plist files.

have your card flashed and working with a Mac ROM, you can test your card in OS 9 (currently available ROM for Quadro 4 700 XGL).find the hardware Device ID of your card.

Some even have dual DVI outputs.Ĭustom GeForce 4 Ti ROM will make the card work as a Mac Card, but a Kernel Panic will happen every time you try to boot with original NVIDIA extensions. This card is very close to GeForce 4 Ti series, using same GPU and PCB layout. If the card is close to another officially supported card in OS X or use the same GPU, there's an easy hack which will allow it to operate in OS X. Some cards can be made to work in OS X with custom ROM, however, OS X extensions do not support the card's hardwired device ID, so it would result in a Kernel Panic at boot.