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.

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

• ATX Specification v2.2
• ATX Specification v2.1
• ATX Riser Card Specification v1.0a

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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