Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 98.83

+0.8%

Dec 4 3:59 PM EST

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To: Bilow who wrote (56469)	10/4/2000 12:18:38 AM
From: Jdaasoc	Read Replies (1) of 93625

carl: After you put 32 RDRAM chips on a channel, you have to add a repeater. My only experience with a repeater technology was 10 Mbit ethernet. I added a lot of latency to ethernet throughput. I think 3COM used CDMA like algorithms to avoid frequent collisions. However,my impression of the RamBus is that the extra latency needed with a repeater installed to read or write data would be no greater than the added distance to the last chip on the bus. Let's say 10 cm out and 10 more cm back or 20 cm at 400 Mhz. Can you do the math on how many psec that would take. As a semi-ileerate mon and pop I am not very good with microwave transmission calculations. LOL john PS I think Intel got even that 20 cm latency covered already with something called a 840 Chipset Platform Memory Expansion Card developer.intel.com; Maybe one day you will get to do real ee work not DDR FUD

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