The maximum size for a microATX motherboard is 244mm*244mm or 9.6in*9.6in.
9.6" X 9.6"
9.6" X 9.6"
The maximum size of a microATX motherboard is 244 mm × 244 mm (9.6 in × 9.6 in)
up to 9.6" x 9.6"
ATX, Actually todays most common motherboard form factor used is MicroATX
There are many motherboard sizes, and ATX is simply one of them. Others inlude Mini-ITX, MicroATX, etc.
It should say on the motherboard itself. A microATX motherboard is generally square shaped, with ATX being longer, and extendedATX being even longer than ATX.
FlexATX smaller version of MicroATX
9.6 x 9.6
its seize, and whether it stands up or lays down. look undet the expandibility section of the link http://en.wikipedia.org/wiki/MicroATX
I'd say ATX was the most popular form factor. Assuming microATX and the like is included in that. BTX also existed at that time however, it never really caught on
9.6 x 9.6