Managed to get my Asus P7P55D-E-Pro working with El Capitan, using Unibeast 6 (Thanks Tony), which means CLOVER! I'm a complete clover noob, so this was a voyage of discovery. I used the guide of course but made notes as I went, which are below -...
Mountain Lion 10.8.2 on ASUS-P7P55D-E-PRO
All of them were purchased in France at amazon.fr and rue du commerce
ASUS P7P55D-E PRO ATX Intel Motherboard (discontinued)
EVGA GeForce 9800 GTX+ 512Mo Video Card (discontinued)
Intel Core i7-860 2.8GHz LGA 1156 95W Quad-Core...