Nvidia's EPP Memory Standard Incompatible With JEDEC Standards

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Friday, May 19, 2006

Nvidia's EPP Memory Standard Incompatible With JEDEC Standards

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Commenting on Nvidia's recentlty announced Enhanced Performance Profiles (EPP) memory standard, JEDEC clarified that the proposed standard is not endorsed or reviewed by JEDEC .

Nvidia and Corsair announced a "New Open Standard Memory Specification" called "Wnhanced Performance Profiles" or EPP. The announcement suggested that EPP can allow memory manufacturers to intgrate additional module performance data by redefining portions of the JEDEC specification typically reserved for manufacturer's data.

JEDEC said that the EPP is not a JEDEC endorsed specification.

"EPP has not been reviewed within JEDEC, nor has any part of it approved through the JEDEC open standards process. Companies wishing to implement the EPP specification should consider the potential for incompatibility with future JEDEC standards."

JEDEC has defined the documentation of the Serial Presence Detect (SPD) device on all standard DRAM modules. The organization provides an industry service by collecting inputs from a wide variety of suppliers and users in order to ensure that its standards are readily available from multiple sources, and products following the standards are ususable in multiple target applications.