I have a HP ThinPro T5325 from the ebays. It is a neat little device that I bought with the intention to boot from the network. I have successfully booted other devices and a few VMs via PXE and my Debian host, with heaping piles of success. However, I started working on the ThinPro once it came in, and I seem to be hitting a wall.
I can not seem to get the device to PXE boot. It get's an IP address, and boots to the ThinPro OS fine. I also have HP Device Manager running, and the two are connected. However, despite all of this work, and some digging in the software, I can not find anywhere to trigger/configure a PXE boot, or (in desperation) remove the image and hopefully force a PXE boot.
If this were a PC, I would enter the BIOS and change the boot order... But I can not find any documentation on entering the ThinPro bios...
What am I missing?