yes I did,
HiS HD 6670 Silent 5
it is working, but will be shown as HD6XXX
Used commands:
GraficsEnabler=0
Frambuffer=Duckweed/Bulrush/Lotus or Muskgrass all are working, best Benchmark result with Muskgrass framebuffer
Port=3 and the desired resolution... (i.e. 1920x1080)
Still trying to...