Radeon HD 7950 Help

I've read through the Radeon Compatibility Guide (and a slew of other posts) and tried a few different combinations of settings. I was finally able to boot into OS X (the desktop) only to crash almost immediately with the following settings:

• FakeID: 0x679A1002
• Inject ATI: true
• FBName: Hamachi (tried Radeon too)
• FixDisplay: true

I've tried injecting Intel as well to no avail. I've tried booting with only iGFX set in the UEFI and crossed fingers, but the display...

Radeon HD 7950 Help