I was looking at a Power Mac G4 (PCI - M7631LL/A) and it only has a single VGA port for a monitor, it is also running OS X (not sure which revision). So I was wondering if it would be possible to install an additional video card to have two displays? It has open PCI 33Mhz slots.
Here’s a link to more detailed specs: https://everymac.com/systems/apple/powermac_g4/specs/powermac_g4_400.html#macspecs1
Here’s a link to more detailed specs: https://everymac.com/systems/apple/powermac_g4/specs/powermac_g4_400.html#macspecs1