by Corelis Inc. Corelis Inc.

Corelis announces the ScanDIMM-184™ Socket Tester capable of performing advanced interconnect tests on 184-pin DDR DIMM sockets

The new ScanDIMM-184™ provides extended testability and complete
fault isolation when testing 184-pin DIMM sockets.

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Cerritos, CA, December 16, 2002 — Corelis Inc., recently released an intelligent socket tester for performing advanced interconnect tests on 184-pin DDR DIMM sockets. The ScanDIMM-184 Boundary-Scan Socket Tester was specifically designed to overcome several obstacles that are presented when testing DIMM sockets for connectivity utilizing boundary-scan techniques.

Inserting the ScanDIMM-184 into the DIMM socket of the UUT results in placing a fully bi-directional boundary-scan cell behind each pin of the DIMM connector, increasing the test coverage to include not only data and address signal pins, but also clock, control, and all power and ground pins. Utilizing this improved cell architecture, test pattern generation tools can then apply the most optimal diagnostic algorithms to clearly isolate any failure under investigation.

Until now, testing a DIMM socket connection without the use of a Socket Tester was performed by inserting a standard memory module into the DIMM socket and executing a memory-pattern test via boundary-scan. To test the 184-pin DIMM socket connections using this technique, specific patterns are written to memory and then read back for diagnostics. This technique is limited by the amount of test coverage it can provide, the limited amount of diagnostic information that can be obtained once a fault is detected, and the extended length of time it takes to execute.

“By utilizing the advanced boundary-scan cell-architecture and improved connectivity of the ScanDIMM-184, diagnostic tools such as the Corelis ScanPlus Runner can give detailed fault analysis with pinpoint accuracy” said Jim Rodgers, Technical Marketing Engineer at Corelis Inc. ” In addition, test times are greatly reduced. For large boards with extended memories, the test time can be reduced from minutes to just a few seconds”.

The ScanDIMM-184™ Socket Tester is fully compatible with the Corelis ScanPlus software and comes complete with all necessary cabling. The ScanDIMM-184™ Socket Tester is available from stock with a price listed at $985.

Boundary-Scan is an embedded IC technology for in-system programming and testing of digital circuit boards and components that have been standardized as IEEE Std 1149.1.  Corelis’ ScanPlus Boundary-Scan tools include hardware and software products offering exceptional ease-of-use combined with advanced technical innovation.

Corelis Inc., offers a broad line of boundary-scan software and hardware products for interconnect testing, in-system programming of Flash memories, CPLDs, FPGAs, JTAG emulation and debugging. It includes a full range of IEEE Std 1149.1 boundary-scan testers for the ISA, PCI, PCMCIA, LAN, USB, cPCI/PXI and VXI busses. Corelis also provides various engineering services and is well known for its outstanding customer support.

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