> OS X must boot from a G3. That limitation was introduced in Panther. Mac OS X 10.0 through Jagwire support the 603/604 even though their installers block ins

> OS X must boot from a G3. That limitation was introduced in Panther. Mac OS X 10.0 through Jagwire support the 603/604 even though their installers block installation on those models and they don't include full driver support (hence XPostFacto). I haven't tried it myself (my TAM is happy on 8.6) but there's a kernel patch for Tiger too: https://www.jump-ing.com/?en/Projects/Tiger_on_7600 https://www.jump-ing.com/?en/Projects/Tiger_on_7600 https://forums.macrumors.com/threads/os-x-tiger-on-a-603-604-cpu.1908276/ https://forums.macrumors.com/threads/os-x-tiger-on-a-603-604...