I thought so too.
I goofed, it wasn't aida that saw both cards it was gpu-z. If I'm on the sensor tab for gpu-z I get all the information from the core edition card. When I switch to the black edition card it reports for 2-3 seconds then the sensors all go to 0.
I think I will try the...
I just set up crossfire last night with two xfx 7970's (FX-797A-TNFC and FX-797A-TNBC). Catalyst control center says that crossfire is enabled but it isn't getting any kind of information from the second card. No temps, fan speeds, clock speeds, nothing. I tried using hwmonitor, aida64 and...