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ATI Mobility Radeon HD 5470/AMD M880G with ATI Mobility Radeon HD 4250


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EsLam Easa

EsLam Easa

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that my spec 


Processor: AMD Turion™ II P520 Dual-Core Processor (2 CPUs), ~2.3GHz


Ram:8 G DDR3


Graphics card :ATI Mobility Radeon HD 5470

                               AMD M880G with ATI Mobility Radeon HD 4250


Sound:ATI Radeon HDMI @ ATI Cedar/Park - High Definition Audio Controller PCI


           IDT 92HD81B1X @ ATI SB800 - High Definition Audio Controller PCI


Network Wireless :Broadcom 802.11n Network Adapter


Lan: Realtek RTL8168D/8111D Family PCI-E Gigabit Ethernet NIC (NDIS 6.20)


i have installed snow leopard 10.6.3 and updated to 10.6.8 


5 months ago all what i do is just fixing kernel panic and issues in my mac os 


i haven't seen my mac open with him self without modcd :/  :)


anyway right now  :)


i install my mac os with  windows 7 on the same hard disk 


i get the following kernel panic and restart after that 




some of moderator he really appreciated  


said  that  the reason for that is GPU : tell me that it's not a kernel panic 


i have found post with the same GPU the ( 2 GPU) but was in latin so i can't understand what they said ... 


so right now i need something that will work this 


any kext 


if i can disbable one and work the other ... any thing will be appreciated ^_^


one more thing that what i get when i boot with -f -v GraphicsEnabler=No

it restart after this line......
and if i log without boot flag simply it stuck on apple logo ... :)
any help please <3 <3 :)






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The only way i got it working is inserting the 4200 ids in info.plist of ati3800 kext and x2000 kext, for the 5470 ids are already there so it will work but untill i got the 4200 read as first device no luck, also the laptop gets very very hot.. anyway to make it half working put bootflags PCIRootUID=1 cpus=1 and eventually npci=0x2000 native resolution work but strange colors in movies and no full acceleration, now i' m struggling to find a solution, desperatly trying to disable the first gpu with dsdt or ssdt but no luck for now..

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