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Computer-on-module with SODIMM ups data throughput

Posted: 28 Jul 2009     Print Version  Bookmark and Share

Keywords:serial ATA  SODIMM  processor  NAND flash 

ETX-AT computer-on-module

Adlink Technology Inc.'s ETX-AT computer-on-module based on the Intel Atom N270 has been designed and verified for use with Virtium Technology Inc.'s SSDDR small-outline DIMM (SODIMM) dual function memory modules, while maintaining full backwards compatibility with standard SODIMM memory.

Virtium's SSDDR combines a NAND flash serial ATA Solid State Drive (SATA SSD) and DDR2 memory on a single SODIMM module by utilising reserved pins on the SODIMM for serial ATA interface signal transfer, thereby remaining fully JEDEC compatible. This allows the SSDDR modules and standard DDR2 modules to be fully interchangeable within the same SODIMM socket.

Virtium is a manufacturer of memory and storage products for specialised computers in demanding environments. Virtium's SSDDR solution allows system designers to take advantage of the higher data throughput and decreased boot-up times of SATA SSD over other embedded SSD and interfaces such as USB, CompactFlash with IDE interface, and secure digital (SD) . The SSDDR SODIMM also allows users to implement an SSD on the ETX-AT as a drop-in part without any hardware modification.

When the ETX-AT is equipped with the SSDDR SODIMM solution, data throughput dramatically increases two to four times compared to that of standard embedded SSD, USB interface, CompactFlash and SD cards. The SSDDR SODIMM is the higher performance serial ATA disc-on-module solution for embedded applications.

The ETX-AT, based on Intel's Atom N270 processor and 945GSE/ICH7 combination, is positioned as an entry level ETX module for generic systems but also for systems that require a full set of graphics features. The module comes with integrated support for high resolution CRT, single/dual channel LVDS and TV-out (SDTV and HDTV). The ETX-AT conforms to the latest ETX 3.02 form factor standard that provides two additional SATA ports on the module while maintaining full backward compatibility with earlier ETX standards. A very low power consumption of below 10 watts makes this module suited for truly fanless or deeply embedded systems. Primary applications areas are: medical diagnostics and imaging, gaming, industrial automation, test and measurement, POS and industrial control. The ETX-AT excellently suited for new applications, but also provides a seamless upgrade path to prolong the production life of existing ETX-based systems by an additional seven years.

For application notes and technical articles on computer-on-module, visit Embedded Design India.





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