Hello Zane,
Thanks for the interest is solving this issue.
My computer is the following:
Hardware Overview:
Machine Name: Power Mac G5 Quad
Machine Model: PowerMac11,2
CPU Type: PowerPC G5 (1.1)
Number Of CPUs: 4
CPU Speed: 2.5 GHz
L2 Cache (per CPU): 1 MB
Memory: 6.5 GB
Bus Speed: 1.25 GHz
The Blakmagic drivers are the latest, 6.8.8