EBN’s Jack Robertson writes that interoperability issues have slowed the arrival of double-data-rate (DDR) SDRAM memory, especially the fastest PC2100 modules. So far, only Samsung Electronics Co. Ltd. and Infineon Technologies AG PC2100 modules have been blessed by DDR testing labs, though most of the slower-speed PC1600 modules have been validated. Samsung Semiconductor Inc. reports that adjustments for DDR compatibility have been system-wide, as was the case with Direct Rambus DRAMs. Analysts, Robertson reports, differ on when DDR will take off. Some say the ramp will occur next month while others put the date out as far as the third quarter. Most expect server manufacturers will quickly adapt to use the memory when it is widely available.
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