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Table Of Contents  CertiGuide to A+ (A+ 4 Real)
 9  Chapter 8: Motherboards
      9  The Future of Motherboards

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FlexATX
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MicroATX

With more parts of the computer becoming a single chip (Gigabit Ethernet is now regular on any new system board), the number of slots needed has become fewer. To reduce size and cost the MicroATX91 board was released. It can still have expansion slots (even ISA) as long as no more than four expansion slots are installed.

Another cost savings found in Micro ATX is the power supply does not have to create -5DVC. PCI does not use -5 so if for some reason a system board needs to support this 1980's design the maker must generate -5DVC on the system board.


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91. http://www.formfactors.org/FFDetail.asp?FFID=2&CatID=1

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