This 2006 Mac Pro isn't trash yet!
Hrutkay Mods El Capitan upgrade video:
• Mac 32 Bit EFI, Newer OS X Install Tutoria...
I have can't personally vouch for the files he provides, but he does seem to be respected in the retro modding community.
Background music from YouTube Audio Library:
Mario Bava Sleeps In a Little Later Than He Expected To by Chris Zabriskie is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...
Source: http://chriszabriskie.com/vendaface/
Artist: http://chriszabriskie.com/