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Embedded Boards

COM Express Type 2 Modules Support

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COM Express™ Type 2 Carrier Board

COM Express™, an open specification of the PICMG (PCI Industrial Computer Manufacturer Group), is a module concept to bring PCI Express and other lhigh speed serial technologies like SATA, USB 2.0 and LVDS on a COM Computer On Module).

The MSC CX-MB-EVA2 is an ideal platform to develop and prototype system electronics before a customer specific baseboard is available. It provides the interface infrastructure for the COM Express modules and offers PC type connectors for external access. Rapid prototyping to assess the fit of a specific CPU technology is a key instrument to shorten design cycles and to improve time to market of new systems. With this universal platform we offer the tool to test quickly what’s needed to choose the right product out of our COM Express portfolio.

This development tool also helps to develop software in parallel with the hardware to speed up the integration process.

Top side of COM Express™ Type 2 Carrier Board

Socket for COM Express™ Type 2 modules

Additional support logic (e.g. Super I / O)

Four PCI slots

Six PCI Express x1 slots

Four SATA connectors

IDE (40 / 44pin) header

CompactFlash socket

COM Express™ specific interfaces on

PC style connectors

Eight USB interfaces

AC’97 and HD audio codec on board

Post code LED display

Different LVDS display connectors

Technical Data - MSC CX-MB-EVA2

Technology Carrier
FormFactor Development Carrier
Storage Interfaces

4 x SATA connector;

1 x IDE ATA-100 primary channel

2 x CompactFlash (Master, Slave)


4 x USB header on front;

1 x miniUSB on front;

1 x USB internal;

1 x USB on mPCIe socket;

1 x USB on ExpressCard socket

Serial Interfaces

2 x RS-232C on 9pin Dsub;

1 x IrDA using one COM port;

PS/2 for Keyboard and Mouse

Bus Interfaces

6 x PCI Express x1 socket;

4 x PCI slot, 32bit V2.1;

1 x PCI Express Graphic (PEG) slot with SDVO

Display Interfaces

VGA connector DSub15;

LVDS on Jili30 with EEPROM for display data and backlight connector

Network Interface

1 x GbE from COM Express module

Audio Interface

AC97 codec with 6 jacks


POST code display

GPIO on dip switch and with LED's

Fan control

LPC bus on pin row

OS Support

BSP ( for onboard devices ) for Windows and Linux

Power Requirement

Standard 24 pin ATX power and additional ATX 12V connector


Ambient Temperature:

0° … +55°C (operating), -25° … 85°C (storage)


20 … 80% (operating, non-condensing), 5 … 95% (storage, non-condensing)

Dimensions 368 x 255


Order Reference - MSC CX-MB-EVA2

Order. Description Reference Status
32273 COM ExpressEvaluation board with PCI andPCI and PCI Express interfaces; serial I/F controller;POST display; HD-Audio and debugging support; MSC CX-MB-EVA2 PCBFTX PV
PV = Preferred variant; OR = on Request (in OEM quantities only)
Data sheet

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COM Express Type 2 Modules Support

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