Using 2 ATI FirePro V7800 on Ubuntu 10.4 with OpenCL
My colleague just did a writeup of the setup he figured out to use two ATI FirePro V7800 GPUs as OpenCL devices on a Ubuntu 10.4 machine in our Visualization lab at Florida State University:
http://fsuvizlab.blogspot.com/2010/12/opencl-on-ubuntu-1004-lucid-with-two.html
It wasn't a completely simple matter, hopefully it helps someone else trying to do something similar