Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 88.13

+1.0%

Nov 21 9:30 AM EST

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To: John Walliker who wrote (29262)	9/11/1999 12:38:00 PM
From: Alan Bell	Read Replies (1) of 93625

John, Your messages over the last day have identified the salient issues surrounding RDRam power consumption. To summarize, 1) The heat spreaders on the RDrams are just that - heat spreaders - and not a heat sink. It spreads the heat out when only some of the RDrams are active. 2) For DDR and SDRam, all the chips on a Dimm need to be active for that Dimm to be accessed. But RDRam only needs to activate the chips it uses at a given instant, thereby dramatically reducing power for RDram dimm. Last night, I did a similar analysis to the one you posted. I used 8x128Mb 133Mhz SDRam. I got the same 1.4x power advantage for this case. -- Alan

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