For the models I was looking at a number of years ago, the options were through IPMI or via a USB Floppy Drive. Perhaps my memory is failing me here, but I seem

For the models I was looking at a number of years ago, the options were through IPMI or via a USB Floppy Drive. Perhaps my memory is failing me here, but I seem to remember being quite enraged at the prospect and would have done a lot not to have to pay the license fee on principle.