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No graphic card acceleration with AMD 7850 2 GB


Hi there, 
My system information: 
Processor: AMD FX 6300 
Graphics card: Sapphire Radeon 7850 2GB 
Motherboard: MSI 990FXA-GD65 
Bios settings: 
HPET Mode: Yes, 
SVM Mode: Yes 
My story: 
I installed niresh 10.90 maverick with usb boot. During boot: amdfx -v. 
During the selection of the disc "Customize" setting did not touch. 
I installed smoothly  and usb drive plug-off. Then on first boot "Memory allocation. System halted." I got the error. 
I went back to Windows. TransMac using the S / L / E erased all the graphics drivers. Except "amdsupport.kext". 
Restart the computer. Boot: "GraphicsEnabler=No". System is opened successfully. 
But the display board showed 7 megabytes. Continuous scratching and freezes. 
Then, I installed the driver on this link.
and boot  this parameters :
<key>Kernel Flags</key>
<string>npci=0x2000 -v</string>
 and I stuck [ PCI Configuration Begin ]
Why I am getting this error?
According to this file dsdt.aml for my video card do you create the file?
(Google translated and edit. sorry.)
Thank you. 

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