I have a PowerMac 8600/300 that I upgraded with XLR8's 500 mhz Carrier G3 card. This machine also has 2 of 3 PCI slots filled with and iXMicro Ultimate Rez card and a Voodoo 2 1000 card from 3dfx (connected to the Rez card with a pass-through cable). After trying to install MacOSX with Ryan...