Hi guys (and girls). Good morning (at least here GMT+1) ;).
Well this morning I did with the help of the multimeter a continuity test between the soldered bios and the pins that seems to be a second bios socket, you know.
The majority of the pins are directly connected, but there are a few that aren't. Here are what pins are NOT connected to each other on the two sockets:
1,9,10,11,12,19,20,21,22,24,26,27
Maybe are unused, I don't know, and worst, I dont understand on the datasheet of the chip what means the three names that are given to the pins, each for these columns: A/A Mux, LPC, FWH. If someone can clarify it ...
Another thing is something that a friend of mine says yesterday: why instead of removing the chip, take and desolder only the vcc pin, put a micro-switch on it, solder another chip on top of the existing and do the same with its vcc pin, so with two micro-switches you can select wich bios chip use. What do you think about this solution?. If the other socked is directly connected, I don't understand the three modes of operation of the chip as I say previously, it will be a good thing installing the switches to both sockets and leave the original for backup and life-guard, and use the second for testing,working,etc.
Thats all folks, for the moment ;).
Have a nice day. Jose.