How to Install IRIX from a Hard Drive

After getting more involved with SGI stuff as of lately I must admit it is a real bear to get IRIX loaded onto these puppies. This is for several reasons, one of which being I don't have an external SCSI CD-Rom drive always laying around. Maybe I do now,  but changing CDs and hoping that they'll be continually reliable is a farce. People in the past have suggested and discussed