Compaq manual Copyright COM Express Extension Specification Rev

Models: Extension

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2 Introduction

Differential Signalling) interfaces. These include the PCI bus and parallel ATA on the one hand and PCI Express and Serial ATA on the other hand.

Key features include:

￿Rich complement of contemporary high bandwidth serial interfaces, including PCI Express, Serial ATA, USB 2.0, and Gigabit Ethernet

￿32-bit PCI, LPC and Parallel ATA options preserved for easy interface to a range of peripherals

￿Extended power-management capabilities

￿Robust thermal and mechanical concept

Cost-effective design

￿Legacy-free design (no Super I/O, PS2 keyboard or mouse)

￿ COM Express™ module size with two currently defined footprint options (“Basic” and “Extended”) to satisfy a range of performance r equirements. The option for future more compact footprints like microETXexpress and nanoETXexpress are present.

￿High-performance mezzanine connector with several defined pin-out types to satisfy a range of application requirements

The COM ExpressExtension specification has been created to support to a range of vertical embedded markets. It has been formulated to be applicable to a broad range of system types, from floor-installed and bench-top to mobile handheld.

Markets and applications include but are not limited to:

￿Healthcare - clinical diagnostic imaging systems, patient bedside monitors, etc.

￿Retail & advertising - electronic shopping carts, billboards, kiosks, POS/POI systems, etc.

￿Gaming & entertainment - simulators, slot machines, etc.

￿Test & measurement - scientific and industrial test and measurement instruments

￿Industrial automation - industrial robots, vision systems, etc.

￿Security - digital CCTV, luggage scanners, intrusion detectors, etc.

￿Defence & government - unmanned vehicles, rugged laptops, wearable computers, etc.

Systems developed according to the COM ExpressExtension Specification require the implementation of an application-specific carrier board that accepts the module. The carrier board is typically a 4- to 8-layer PCB. User-specific features such as external connector choices and locations and peripheral circuits can be tailored to suit the application. The OEM can focus on application-

Copyright © COM Express™ Extension

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Specification Rev 013

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Compaq manual Copyright COM Express Extension Specification Rev