[LinuxBIOS] GA-M57SLI-S4 continuity test on the second plcc socket.

Richard Smith smithbone at gmail.com
Fri Mar 30 06:37:22 CEST 2007

Stefan Reinauer wrote:

>> 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?. 

Having a chip on your LPC bus with data and address lines connected but 
with no Vcc will mostly likely screw you. Operation of the chip will be 

> You also need to do this for CE and CS. 
> No idea how hard or easy it is to desolder single pins instead of the
> complete chip. It is a good idea though!

On PLCC it will be pretty hard since they are not really pins that you 
can just lift up off the pad.

Richard A. Smith
smithbone at gmail.com

More information about the coreboot mailing list