In conversations with perspective Linux on POWER clients, we are often asked if Power architecture supports PXE boot. The short answer is “not exactly”, because a true PXE environment has some x86 architecture specific functions/extensions within it.
That said, we do support the same basic functions and underlying protocols as PXE. And now that POWER , beginning with Ubuntu 14.04, has moved to grub2 for a bootloader, the appearance and function are quite similar. In other words, it is functionally equivalent to PXE.
For more information, check the Netbooting on POWER – An Introduction tutorial.