On the Windows DHCP server did you set scope option 066? I know that I typically don't need to do this for Windows RIS but I figure it exists for other systems.

You may encounter issues when configuring the network settings of your server if there is a bug in your OS’s version. Even though there is no official confirmation ...

I've always had problems with IRIX remote installation. That being said, the first step is to refer to the vast collection of IRIX documentation on SGI's website. Might help to get you started. There ...