Articles :: Form Factors Rev 1.3 :: Motherboards.org

MoboCop · 11-12-2004 · Category: Tech-planations

ATX


Overview

ATX was developed(introduced in 1995) as an evolution of the Baby AT form factor and was defined to address four areas of improvement: enhanced ease of use, better support for current and future I/O, better support for current and future processor technology, and reduced total system cost.

ATX Layout

The ATX is basically a Baby AT rotated 90 degrees and providing a new mounting configuration for the power supply. The processor is relocated away from the expansion slots, allowing them to hold full length add-in cards. The longer side of the board is used to host more on-board I/O. The ATX power supply, rather than blowing air out of the chassis, as in most Baby AT platforms, provides air-flow through the chassis and across the processor.

Specifications

Contents

  1. Motherboard Form Factors
  2. AT
  3. Baby AT
  4. ATX
  5. Mini-ATX
  6. microATX
  7. FlexATX
  8. LPX
  9. Mini LPX
  10. NLX
  11. BTX
  12. picoBTX
  13. microBTX
  14. PC/XT
  15. Mini-ITX

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