How should i enable Radeon 7850 on Mavericks (new public release)

[HackintoshA5]

Yes using Mavericks

My monitor only supports dual-link DVI so I need to go out a buy another monitor
Right now Mavericks is booted but the performance is choppy and slow.

 

[studdmufin]

It works with IGPU primary and enabled, GraphicsEnabler=Yes. I'm happy enough
But if anyone has an idea how to boot with primary as 7850 without getting freezed with weird characters before chimera bootscreen, do not hesitate

do you mean you have 4 lines that are boot 0 then a bunch of garbled text? I had something like that happen to me before. I can't find the thread that had the answer to fix it now, but if you search you will find it. I remember having create a second partition on my main drive and it had to be FAT i think, then installing chameleon on that... i think. Try searching more and read through the other radeon 7xxx thread first

 

[simbioide]

crain83, can you post a step by step on what you did for patching the kext? I'm kindda newbie and have the exactly same videocard.

Thank You

EDIT: [SOLVED]

I did this:

1. Open /S/L/E find AMD7000Controller.kext (and made a backup)
2. Right click and 'Show package contents'
3. Go to Contents
4. Copy Info.plist to your desktop
5. Edit Info.plist with text edit:
a ) Use find tool to find 0x68181002
b ) Replace 0x68181002 with 0x68191002
c ) Save file
6. Copy Info.plist back to kext content folder
7. Back in S/L/E find AMDRadeonX4000.kext (and made a backup)
8. Repeat steps 2-5.
9. Patch them with KextBeast

Based on this -> http://www.insanelymac.com/forum/topic/291134-maverick-109-mountain-lion-1083-radeon-hd7850/

It Works!!

Here's my plist:

 

[HackintoshA5]

Will this work with my Gigabyte 7950 (Device ID: 0x679A1002)?? in Mavericks Final version

 

[simbioide]

Will this work with my Gigabyte 7950 (Device ID: 0x679A1002)??

I'm not sure.

You can try. But I strongly recommend you to do a backup of your actual kext files first. In case of fail, you can boot on safe mode and restore them.

 

[HackintoshA5]

I'm not sure.

You can try. But I strongly recommend you to do a backup of your actual kext files first. In case of fail, you can boot on safe mode and restore them.

Well I can only boot into safe mode so the existing kexts are useless

 

[HackintoshA5]

Thats the error I get when I use boot flags GraphicsEnabler=No -v

 

[simbioide]

Ouch!

is the 7950 set as primary gpu?

 

[HackintoshA5]

Ouch!

is the 7950 set as primary gpu?

yes! not the iGPU..my monitor only supports the 7950 due to dual-link DVI so yes only using the 7950. Perhaps I need to install the kexts as you put the 7950's device ID into it? If this doesn't fix it I will go out and buy a GTX 760

 

[simbioide]

I didn't put the 7950's ID on my kexts. But the method is the one above. If you can't locate the info.plist inside the kexts, you can use Invisiblix.

Good Luck!

PD: setting the 7950 as primary is the correct way. At least, in my case (with the 7850) is.