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nycionx

Mavericks wont boot with my ATI 7870; only with Intel HD4000

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As stated in the post i cannot boot into my Mavericks OS X. only with the onboard gfx Intel HD 4000.

I installed using this: http://thepiratebay.sx/torrent/9086005/OS_X_Mavericks_10.9_bootable_USB_for_Intel_PCs_%2813A603%29

Which is great thanks! Everything works (sound, network, etc) except video kext for ATI 7870.

I used multishit - Mavericks Edition (latest) to install bootloader Chimera 2.2.1 which works fine for me. I can dual boot into my Windows 7 partition :)


here are my computer specs:


Intel Core i7 3770K CPU w/ Intel HD4000

Sapphire Radeon HD 7870 2GB

ASRock Z77 Extreme4 2.70 bios patched

4x8Gb = 32GB RAM Kingston

OCZ 256Gb SSD


So why doesnt my Sapphire Radeon HD 7870 2GB work? It just freezes while booting. I thought Mavericks included kexts for this ATI chip?? It used to boot fine with my Mountain Lion OS before!


Here is my current org.chameleon.Boot.plist:


<?xml version="1.0" encoding="UTF-8"?>




EthernetBuiltIn

Yes

GraphicsEnabler

No

IGPEnabler

Yes

Kernel

mach_kernel

Kernel Flags

-v

Legacy Logo

Yes

Instant Menu

Yes

GenerateCStates

Yes

GeneratePStates

Yes

UseKernelCache

Yes

Graphics Mode

"1920x1080x32"





Here is the org.chameleon.Boot.plist i used with Mountain Lion before (with Chameleon bootloader):


<?xml version="1.0" encoding="UTF-8"?>




AtiConfig

Chutoro

DSDT

/Extra/DSDT.aml

EthernetBuiltIn

Yes

GenerateCStates

Yes

GeneratePStates

Yes

Graphics Mode

1920x1080x32

GraphicsEnabler

Yes

IGPEnabler

Yes

Instant Menu

Yes

Kernel Flags

-v npci=0x2000 darkwake=0

PciRoot

1

SMBIOS

/Extra/smbios.plist

SystemType

1

Theme

AngelBird

UseAtiROM

Yes

UseKernelCache

Yes

device-properties

4b00000001000000010000003f0000000100000002010c00d041030a0000000001010600041c0101060000007fff0400160000006200750069006c0074002d0069006e0000000500000001





If i use this plist above with my ATI 7870 card as main gfx card in bios then booting up halts/freezes and i have to turn off computer using power button. :(


Help please! Thanks in advance!

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