- Jul 29, 2012
- Dell inspiron 7737. (Clover)
- Intel Core I7-4510U (Haswell)
- Intel® HD Graphics 4400 (1920X1080p) + nVidia GeForce GT 750M
- Mobile Phone
Go to techpowerup, download bios for XFX 6870 ZHFC
And then use ATI bios flash tool like
To flash 6850 ZCFC to 6870 ZHFC.
6870 ZHFC is supported by mac OS X 10.8 right away. ZCFC and ZHFC use the same card design, connectors etc.
Make sure you read some online tutorial on how to properly flash a video card bios.
There is tools: http://www.techpowerup.com/rbe/
Did you tune the 6870 clock to 775Mhz (from 900Mhz) before you flash xfx 6850 zcfc?