Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 95.26

+3.1%

3:59 PM EST

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To: Zeev Hed who wrote (44859)	6/18/2000 9:31:00 AM
From: Scumbria	Read Replies (2) of 93625

Zeev, A very simple test for "obvious" is, "if it is so obvious, how come it was not done before". This is certainly a part of the test, but not the complete test. Suppose there was no need for the invention before? Continuing the discussion about the "programmable register for setting delay", EDO memory had no clock, and it would have been meaningless to put a register in the DRAM to count clocks. After the concept of synchronous memory (SDRAM) came up, it was rather obvious that this would be a good way to sort different speed memories. I can't imagine a group of bright digital designers taking more than about 15 minutes to figure that out. L2 caches have been using this same technique for decades now. Do you remember the old days when BIOS settings on PC's allowed you program the first beat latency from the L2? As far as I can tell, Rambus' claim is the same technique, applied to DRAM. But, there was no need for it- until SDRAM. Scumbria

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