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Technology Stocks : Rambus (RMBS) - Eagle or Penguin -- Ignore unavailable to you. Want to Upgrade?

To: unclewest who wrote (33003)	10/27/1999 8:47:00 AM
From: Dan3	Respond to of 93625

Re: granularity, bandwidth, and scalability... Granularity - right now, the only shipping Rambus motherboard requires RIMMs be installed in pairs, whereas all other PC DRAM technologies support single module installation. Carl has given detailed explanations of the use of additional pins per chip to provide better chip scale granularity SDRAM for applications like video cards and video games. Nintendo's dumping of rambus should settle that particular argument. The granularity FUD on SDRAM hasn't been supported by recent industry news. Bandwidth - Rambus channels are at 1.6M/sec and PC2100 are at 2.1M/sec. Despite their smaller number of traces, it may be more difficult to go beyond 2 channels for rambus than other technologies due to layout requirements. Scalability - We really don't know yet (and could argue ad nauseum), but the best indication might be the universal rejection of Rambus for servers - there is a lot more to "scale" then bits per pin. Scalability can also be considered as "room for growth", the limits of which first show up in large scale systems like servers. DDR has specs under consideration for 333 and 400MHZ bus speeds. Where does Rambus go after 800MHZ? Dan