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HD 5450 68E1


roothex
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i have his HD5450 68E1 ( yosemite 10.10.1 )

i been tried almost every method (not DSDT )

the graphics card detecting showing full graphics availability.but no qe/ci.

any solutions? 

bootloader : chameleon

processor : AMD athlon x2

board : msi 970a-G43

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Hello, for my ASUS HD5450 card,
I change /System/Library/Extensions/AMD5000Controller.kext/Contents/info.plist
"<Key> IOPCIMatch </ key>
<String> 0x68981002 0x68991002 0x68E01002 0x68E11002 0x68D81002 0x68C01002 0x68C11002 0x68D91002 0x68B81002 0x68B01002 0x68B11002 0x68A01002 0x68A11002 </ string> "

in "
<Key> IOPCIMatch </ key>
<String> 0x68991002 0x68F91002 0x68E01002 0x68E11002 0x68D81002 0x68C01002 0x68C11002 0x68D91002 0x68B81002 0x68B01002 0x68B11002 0x68A01002 0x68A11002 </ string> "

and also
/System/Library/Extensions/AMDRadeonX3000.kext/Contents/Info.plist

<Key> IOMatchCategory </ key>
<String> IOAccelerator </ string>
<Key> IOPCIMatch </ key>
<String> 0x68E01002 </ string>
<Key> IOProbeScore </ key>
<Integer> 200 </ integer>
in

<Key> IOMatchCategory </ key>
<String> IOAccelerator </ string>
<Key> IOPCIMatch </ key>
<String> 0x68F91002 </ string>
<Key> IOProbeScore </ key>
<Integer> 200 </ integer>

this once rebuilt the kextcache

always with the kext-dev-mode = 1
/Extra/org.chameleon.Boot.plist

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sorry for the delay, with kext-dev-mode = 1 in
/Extra/org.chameleon.Boot.plist
before recreating the kextcache
in the terminal
"Sudo kextload /system/library/extensions/AMD5000Controller.kext

sudo kextload /system/library/extensions/AMDRadeonX3000.kext "

and remaking the kextcache in the terminal with
sudo kextcache -system-prelinked-kernel -z
you must have this type of warning "
kext-dev mode ALLOWING invalid signatures -67 030 0xFFFFFFFFFFFEFA2A for kext AMDRadeonX3000.kext
kext-dev mode ALLOWING invalid signatures -67 030 0xFFFFFFFFFFFEFA2A for kext AMD5000Controller.kext
"

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simple oversight,
for "/System/Library/Extensions/AMDRadeonX3000.kext/Contents/Info.plist"

we must find the variable "IOKitPersonalities" list the dictionary;
  and open the variable "AMDCedarGraphicsAccelerator"
find "IOPCIMatch" and change the value to "0x68F91002"

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  • 2 weeks later...

Type in terminal:

kextstat | grep AMD
 
Output should be:
com.apple.kext.AMDSupport
com.apple.kext.AMD5000Controller
com.apple.AMDRadeonX3000
com.apple.kext.AMDFramebuffer
 
Your Device Id is already in AMD5000Controller.kext
You only have to add 0x68E11002 in AMDRadeonX3000.kext at the right place.
That is, find:
<key>AMDCedarGraphicsAccelerator</key>
and then look for:
<key>IOPCIMatch</key>
<string>0x68E01002 0x68E11002</string>     <- add here
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