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embedded technology extended (computer-on-module) (ETX)

Embedded Technology Extended (ETX) is a computer module for carrier boards as used in industrial computers. The ETX specifications include the module size and the connection technologies to the carrier board. The ETX technology was developed by the Jumptec company.

The ETX module measures 95 mm x 114 mm and has four connectors via which it is plugged onto the carrier board with application-specific performance features. Both boards together, the carrier board and the ETX module, have a combined height of only 10 mm. The ETX module contains the x86 central processing unit( CPU), the chipset and the main memory, as well as a graphics processor and the LAN interface.

ETX module, photo: Alptech

ETX module, photo: Alptech

The PCI bus and the ISA bus as well as the PC interfaces such as the USB interface, the IDE bus, etc. are routed to the outside via the connector on the ETX board.

Form factors of SOM/COM modules

Form factors of SOM/COM modules

ETX technology had some weaknesses in terms of compatibility, which led to the development of the smaller ETXexpress board by Kontron and the standardization of COM-Express by the PCI Industrial Computer Manufacturers Group( PICMG). ETXexpress supports PCI-Express, has Serial ATA, a LAN interface for Gigabit Ethernet and USB 2.0.

Informations:
Englisch: embedded technology extended (computer-on-module) - ETX
Updated at: 16.11.2018
#Words: 196
Links: end of text (ETX), computer, carrier, connection, board
Translations: DE
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