The form factor is just one of the many standards that apply to motherboards. Some of the other standards include: The socket for the microprocessor determines what kind of Central Processing Unit (CPU) the motherboard uses.
Scenic San Juan Islands. More than 170 islands comprise the San Juan archipelago, which lies off mainland Washington at the juncture of the straits of Georgia and Juan de Fuca, and is sheltered from the Pacific Ocean by the Olympic Peninsula and Vancouver Island. (There are reputedly an additional 300 rocky islands at low tide.)
Full List of the San Juan Islands in Washington. Full List of Islands. The San Juan Islands are made up of hundreds of islands, some no bigger than a rowboat and many that disappear if the tide gets too high. Many of the small and medium sized islands are privately owned.