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To: Tony Viola who wrote (82481)	6/2/1999 11:22:00 AM
From: grok	Read Replies (1) \| Respond to of 186894

Re: <"being able to leave more pages open simultaneously"...what does this refer to?> This is one of rambus' biggest plusses (right after saving pins). In drdram memories the cells are grouped into many separate banks which can be accessed independently. In tradional drams you always have faster column or page access time than row access time. In drdram it is like having many "columns open" at the same time although they are called banks or pages. You can have between 4 and 16 (I think) banks open at the same time in each drdram chip. Therefore you get a much larger fraction of fast accesses. How much faster is hard to tell. I think that the world will argue over this for years and we won't really know until someone proves optimum chip sets for both memories -- which it sounds like Camino does not do! I hope that this explanation was comprehensible.

To: Tony Viola who wrote (82481)	6/2/1999 2:09:00 PM
From: Tenchusatsu	Read Replies (1) \| Respond to of 186894

<The statement I copied at the top, is this because RDRAM interleaves better than the other two?> That's basically it. As for "being able to leave more pages open simultaneously", that's just a reference to the large number of banks in the RDRAM structure, as opposed to the small number of banks in SDRAM. It reduces "aliasing," which is when two accesses to different memory regions hit the same bank, which forces a precharge in between the two accesses and prevents pipelining. <I heard you visited Cornell. College recruiting for Intel? Or, maybe it's late in the season for that.> Nope, just vacation. I have a lot of very close friends back in the Korean Christian Fellowship there. Tenchusatsu