"DDR4 SDRAM 模块的SPD设计规范及标准发布"
SPD for DDR4 SDRAM Modules, Release 6, is a set of standardized specifications for the Serial Presence Detect (SPD) values for various DDR4 memory modules. This document, known as JEDEC Standard No. 21-C, Release 30, specifically focuses on Annex L, which outlines the SPD values for UDIMM, RDIMM, LRDIMM, and NVDIMM-N modules. The SPD data contained within DDR4 modules is essential for providing vital information about the memory modules on the memory channel. By following the guidelines set forth in this release, manufacturers can ensure that their DDR4 modules are compatible with a wide range of systems and platforms. UDIMM modules, with a Revision of 1.3, are designed for unbuffered memory modules, providing a cost-effective solution for many systems. RDIMM modules, with a Revision of 1.4, offer registered memory modules that provide increased stability and reliability. LRDIMM modules, with a Revision of 1.5, offer load-reduced memory modules that are optimized for maximum performance. NVDIMM-N modules, with a Revision of 1.3, offer non-volatile memory modules that combine the speed of DRAM with the persistence of NAND flash memory. Overall, this release of the SPD for DDR4 SDRAM Modules provides manufacturers with the necessary information to ensure the compatibility and performance of their memory modules. By adhering to these standards, manufacturers can produce high-quality DDR4 modules that meet the needs of a wide range of applications and systems.
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