Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 94.82

+2.7%

Nov 26 3:59 PM EST

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To: Jdaasoc who wrote (27840)	8/27/1999 12:11:00 AM
From: Dan3	Read Replies (2) of 93625

Re: I expect caches of 512K or 1 Mb so delays will be time needed to refresh cache... You don't update the whole cache, you update the line. You keep the other lines in cache, overwriting them only if you need to. That's the whole point of a big cache, you are able to retain more lines, thus keeping more areas of memory cached. Larger caches don't need more bandwidth (though more burst can be helpful - and is being provided by more conventional SDRAM variants) Increasing sustained bandwidth doesn't hurt anything, but it doesn't really help much (in PCs) either. Sustained bandwidth is important in I/O applications like network transfers and disk transfers, but again, SDRAM is overkill in those areas. (Gigabit ethernet has a real throughput of less than 100 megabytes/sec - even PC66 SDRAM provides several times that - and you can't get even PC66 bandwidth across the PCI bus anyway) And regarding your last comment, goodbye and good luck, but please feel free to change your mind and keep up the dialogue. Dan

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