Video card for Old PowerMac G4 to run FCP 4

[seniorsirjoe]

I have a registered copy of FCP 4 and a PowerMac G4 to use it with but the Video card currently installed (ATI Rage 128Pro) has no inputs for video. I need to replace it but don't what to replace it with.

Machine details:
Machine Name: Power Mac G4
Machine Model: PowerMac3,3
CPU Type: PowerPC G4 (2.9)
Number Of CPUs: 2
CPU Speed: 450 MHz
L2 Cache (per CPU): 1 MB
Memory: 2 GB
Bus Speed: 100 MHz
Boot ROM Version: 4.2.8f1
Serial Number: XB029367J3C
Sales Order Number: M7892LL/A

Can anyone help?

Thanks
Sergio