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Open Standard: XGI and Kontron Publish the UGM 1.0 Embedded Graphics Module Specification

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The New “Universal Graphics Module” Standard Comes of Age

The Specification
The new UGM standard, which was first unveiled in February at the Embedded World trade show (Nuremberg/Germany), defines an 84 x 95 mm universal Graphics-On-Module, supplying monitors with the most up-to-date range of high-end graphics card signals.

Unlike conventional graphics card that are plugged in at 90 degrees to the baseboard, UGMs are connected parallel to the baseboard. This saves space and thereby allows for extremely flat and very scalable designs. Even more importantly for users, UGMs offer availability of at least three to five years and the graphics functions, including drivers, are particularly quick and easy to implement in custom designs.

UGM cards receive PCI Express signals and video signals via the 220 pins of the connector, which is also used for COM Express/ETXexpress Computer-On-Modules, over 1, 4, 8 or 16 lanes (PEG), and process them – including video capture functions and up to 1 GB of video memory – and then deliver the converted signals back to the baseboard, also via the connector. The UGM 1.0 specification currently supports Dual LVDS, Dual DVI, and Dual VGA as playback sources.

On the baseboard itself, the developer can decide which signal combinations will ultimately be made available to the external connection. Thus, for example, a combination of sound, USB, and DVI can be implemented via the HDMI interface. In terms of the graphics layout and driver development, all the developer has to do is to allocate the appropriate circuits, plugs, and any peripheral components needed for additional features, such as HDCP copy protection for the display of high-resolution, protected video material. The graphics processing core is already finished and all necessary drivers are already implemented.

This design also does away with cables completely. Thus, UGM stands out from current standard graphics cards, in which interfaces are led out via breakout cables because the narrow expansion card slot bracket does not offer enough room for external interfaces. Furthermore, with a 12 to 22 V DC power supply, the UGM specification allows for up to 72 W thermal design power. As a result, UGM can perfectly support even the most high-end games with the highest frame rates and all graphics optimization algorithms.

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