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To: jim kelley who wrote (43176)	5/30/2000 5:33:00 AM
From: Bilow	Read Replies (1) \| Respond to of 93625

Hi jim kelley; You are right on when you say that the principles of data and program locality apply throughout the memory hierarchy, including the main memory and storage systems. The current trend is towards larger and larger cache memory. The next big step is to take a good sized chunk of DRAM and put it on the CPU card, either as a "slot" type solution, or as a die in a Multi Chip Module. That DRAM will be much higher bandwidth than main memory but smaller, and will relegate the rest of main memory to the status of something like a disk (or internet or ...) cache. The CPU memory will come with the CPU, no capability for user upgrade. That will eliminate most of the engineering headaches that drive up the cost of RDRAM (and to a lesser extent, and module type memory). In other words, in about 5 years, I see the PC standard becoming more similar to the type of memory seen on a GeForce2, X-Box, Dolphin, or PS/2, rather than that of the current PC chipsets. -- Carl