MCP750 sarge prep-boot installation

Hello, I apologize for cross-posting but I have sen I am trying to boot and install debian on my MCP750. I am having issues booting the initrd's that I have found on the debian web-site. I tried the cd installations and have been unsuccessful getting; PPC1-Bug>pboot 14 50 Booting from: PBC-EIDEF

MCP750 Installation

I am trying to use sid or sarge to perform the installation on my MCP750 computer. I have tried the installation docs that come with it, and have found no set instructions for the installation of a PREP-boot machine. Is there one doc that I can access for this information? I have tried install