As pointed out in the tip, motherboard manuals tend to get misplaced or lost. This can make it impossible accomplish anything with a motherboard (including resetting the BIOS password).
One superb resource for help is motherboards.org. You can find information for 'mystery' motherboards that can lead to all of the information you could ever ask for!
This site has saved my posterior many times, and I thought I would pass along the info.
Keep Up with TechRepublic