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Zotac GeForce 8400 GS 512 DDR2 no QE/CL


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Have been trying to get QE/CI acceleration working on this card off/on for a year and can't get it right... Asking for help.


I am now running Lion 10.7.5, I can get full resolution (1920x1080) and display is reported correctly. I'm using the DVI port, the card also has a VGA and S-Video port. The card is reported as:


575]Chipset Model: GeForce 8400 GS

575] Type: GPU

575] Bus: PCIe

575] Slot: Slot-1

575] PCIe Lane Width: x16

575] VRAM (Total): 256 MB

575] Vendor: NVIDIA (0x10de)

575] Device ID: 0x0404

575] Revision ID: 0x00a1

575] ROM Revision:


The device ID is the same reported by System Info.app, but only reporting half of the RAM supposedly on the card. Originally installed via ######/###### with the DSDT for my BIOS of my H61M-DS2 motherboard.

Here is my org.chameleon.boot.plist:













<key>Kernel Flags</key>

<string>npci=0x3000 darkwake=0</string>

<key>Legacy Logo</key>








Anything else I can provide to assist, just ask. Thanks in advance!


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