M5183 Power Mac G4 PCI Firewire Board Module $35.00 Graphite PCI M5183 Power Mac G4 PCI Firewire Board Module quantity Add to cart Add to Quote Continue Shopping Category: M5183 Power Mac G4 Graphite Description Firewire board / ports / module for the Apple Power Mac G4, PCI Graphics model. Assembly includes board, housings, short internal cable. Apple number 922-3672, 600-6938, 805-2089, 805-2090, 922-3751.