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#11
That white 2 pin header is where the battery would be connected. There is a picture on the page in the link NavyLCD posted that shows the wires from the battery going to it. It appears somebody already removed it? If it has already been removed, the BIOS has reset to defaults on its own. Keep in mind, on a laptop, some settings will not be reset by removing the CMOS battery. If you set a BIOS password for instance that will not be erased by removing the battery. It's stored in non volatile RAM. Everything else will be erased though, boot order, etc will go back to defaults.