I just used Pike's script to install El Capitan 10.11.6 on my 2006 Mac Pro. Everything looks like it works except audio—the audio icon is greyed out in the menubar. Any ideas on how to fix this? (I've made sure Internal Speakers is selected)
Mac Pro 1,1
32 GB RAM
x2 3.0 Dual Core Xeon chips
Radeon HD 4870
Mac Pro 1,1
32 GB RAM
x2 3.0 Dual Core Xeon chips
Radeon HD 4870