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Micron's FBDIMMs tout outstanding performance, reliability

Posted: 30 Aug 2005 ?? ?Print Version ?Bookmark and Share

During last week's Intel Developer Forum in San Francisco, Micron Technology Inc. demonstrated 4GB fully buffered dual in-line memory modules (FBDIMMs) that use 1Gb DDR2-533 components. According to the company, this allows server platforms to realize the maximum available capacities of system memory for outstanding performance and reliability.

According to Terry Lee, Executive Director of Advanced Technology and Strategic Marketing for Micron's System Memory Group, FBDIMM and DDR2-533/DDR2-667 are the key technology combinations for high-density, high-performance memory required in next-generation, bandwidth-intensive server applications.

"Micron has set the pace for the DDR2 memory market with numerous industry firsts, and had previously demonstrated the industry's first PC2-5300 FBDIMMs at Spring IDF 2005. Now with the 4GB FBDIMMs, we [Micron] are again uniquely qualified to sharply raise server performance to unprecedented levels with its high-density DDR2-533 component-based FBDIMMs," Lee said.

A key attribute of the FBDIMM channel architecture is the high-speed, serial, point-to-point connection between the memory controller and modules on the channel. To address this attribute, companies such as Integrated Device Technology Inc. (IDT) and Intel Corp. are developing advanced memory buffer (AMB) devices to interface between the high-speed, serial interface and industry-standard DDR2 SDRAM. Micron's 4GB FBDIMMs incorporate AMB devices, which are primarily responsible for collecting and distributing data from or to the FBDIMM, buffering the data internally on the chip and receiving or forwarding it to the next FBDIMM or memory controller.

"We have been working closely with Intel and IDT on this new technology, and these relationships will enable Micron to make available an unparalleled amount of memory for servers," said Lee.

The company's line up of FBDIMMs includes densities from 256MB to 4GB, and speed grades extending to PC2-5300.

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