Thus, they need a HP HDMI Tool and that is what I referenced. Manufactures also need a way of allowing authorised Companies with trained technicians to replace motherboards when they fail and to do that the technician will need a way of setting the new motherboard up by writing to the BIOS the unique features it needs. Some of the data is and should be unique to a board and not just copied, but in practice as long as two or more are not on the same LAN then it should work. The BIOS chip that you thought of buying is most likely based on one of these and will contain the data such as Serial Number, MAC address, etc, as the one it was copied from. You can get web sites where people have read and uploaded PROM data for their chip and some people use these sites. Extracting that data from manufactures updates is not simple (if doable at all). These days manufactures don't release EPROM data in a way that you can just download it and use a PROM programmer to "blow" them. In other words, I know a little more than many and out of curiosity have read and written a few EPROMs and during that have picked up a little knowledge. I am not really an expert on this topic and the old saying comes to mind, "In the land of the blind the one eyed man is King". Opens a new window I have corrected the above. Looking back at my post I see that I had duplicated a reference URL and not entered this.
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