| Computer form factors |
PCB Size (mm) |
| WTX | 356×425 |
| AT | 350×305 |
| BTX | 325×266 |
| ATX | 305×244 |
| LPX | |
| NLX | 254×228 |
| DTX | 244×203 |
| FlexATX | 229×191 |
| Mini-DTX | 203×170 |
| microATX | 171×171 |
| Mini-ITX | 170×170 |
| EPIC (Express) | |
| Nano-ITX | 120×120 |
| COM Express | 125×95 |
| EBX | |
| ETX / XTX | 114×95 |
| Pico-ITX | 100×72 |
| PC/104(-Plus) | 96×90 |
| microETXexpress | |
| nanoETXexpress | |
| mobile-ITX | 75×45 |
ETX 3. This article compares the IBM compatible Personal computer Motherboard form factors – that is the different sizes and specific or de-facto standards of major system In the area of IBM compatible Personal computers the AT form factor referred to the dimensions and layout ( form factor) of the Motherboard for Enhancements Low-profile - With the push for ever-smaller systems a redesigned backplane that shaves inches off height requirements is a benefit to The ATX (for Advanced Technology Extended) form factor was created by Intel in 1995. LPX (Low Profile eXtension originally developed by Western Digital was a loosely defined Motherboard format ( Form factor) widely used in the 1990s NLX (New Low Profile Extended was a form factor proposed by Intel and developed jointly with IBM, DEC, and other vendors for low profile low cost mass-marketed The DTX Form factor was announced to be in development by AMD on January 10, 2007. FlexATX is a PC motherboard Form factor derived from ATX. The specification was released in 1999 by Intel as an addendum to the MicroATX The DTX Form factor was announced to be in development by AMD on January 10, 2007. microATX, also known as µATX (sometimes Transliterated as mATX or uATX on Online forums is a Small form factor standard Mini-ITX is a 17 x 17 cm (or 693 x 693 Inches) low-power Motherboard Form factor developed by VIA Technologies. Embedded Platform for Industrial Computing (EPIC is a computer Form factor standard put forth by a combined effort from WinSystems VersaLogic Octagon Systems Micro/sys Nano-ITX is a computer Motherboard form factor first proposed by VIA Technologies at CeBIT in March 2003, and implemented in late 2005 COM Express, a Computer-on-module (COM form factor is a highly integrated and compact PC that can be used in a design application much like an integrated circuit Embedded Board eXpandable (EBX is a standardized computer form factor ETX, standing for Embedded Technology eXtended, is a highly integrated and compact (3 ETX, standing for Embedded Technology eXtended, is a highly integrated and compact (3 Pico-ITX is a PC Motherboard form factor announced by VIA Technologies in January 2007 and demonstrated later the same year at CeBIT. PC/104 (or PC104) is an Embedded computer standard controlled by the PC/104 Consortium which defines both a Form factor Mobile-ITX is the smallest x86 compliant Motherboard Form factor. 0 Specification Embedded Technology eXtendend
ETX, standing for Embedded Technology eXtended, computer-on-module (COM) is a highly integrated and compact (3. A computer-on-module ( COM) is a type of Single-board computer (SBC a subtype of an Embedded computer system 7 x 4. 4 in. ) (95 x 114 mm).
The new ETX 3. 0 specification offers all of the benefits of the original ETX standard while adding in 2x Serial ATA without changing any of the ETX pins, making new modules 100 percent pin-to-pin compatible with previous versions. This ensures long-term support for the vast number of embedded application solutions based on these already highly integrated COMs including medical, gaming and entertainment, military and aerospace.
To obtain a copy of the ETX 3. 02 specification, visit the ETX Industrial Group website http://www.etx-ig.org .
ETX 3. 0 benefits:
- two SATA ports supported
- 100 percent ETX pin-to-pin compliant
- no carrier board changes
- continued ISA support, along with Ethernet, USB 2. 0, graphics, audio and other features
- multivendor standard - ETX Industrial Group
- long term and hassle free
New modules designed according to the ETX 3. 0 specification integrate two SATA ports via two slim line connectors designed onto the top side of the CPU Module in the vicinity of X4. The module or carrier board ETX connectors do not require any changes to take advantage of the faster SATA hard drives.
External links
- http://www.etx-ig.org ETX Industrial Group
- ETX Evolution - case study Computer On Module
- Kontron - supplier of ETX boards.
- ETX Specification V3.02
- ETX Design Guide
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