>>>> "J" == Jarett DeAngelis
J> Secure Boot is turned off, yes. Again, the puzzling thing is
J> that I can easily boot off other ISOs written to USB with no
Sure that's interesting but unfortunately doesn't help. Many head-nodes
were set up with this image, so it's something peculiar about your stick
or the HP workstations. Do you have another type of machine to try this on?