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To: Bilow who wrote (104267)6/9/2000 1:21:00 PM
From: jim kelley  Respond to of 186894
 
Carl,

Perhaps, you should be looking into the disadvantages of DDR. We know more about RDRAM and its implementation than we do about DDR. The manufacturers now know how to make RIMMs and MOBOs for RDRAM so this is no longer a manufacturing issue. Your criticisms of the difficulty of manufacturing these boards is moot.

In addition, you might want to tackle the problems associated with the clock speeds and large number of traces associated with DDR-II.

I realize that there are no main memory systems yet out with DDR or DDR-II but from an engineering point of view certainly these are more interesting than comparing RDRAM with SDRAM.

As clock rates rise beyond 2 GHZ all these systems including DDR and DDR-II are going to have to use transmission line bus designs. Unless, you prefer to use coaxial cables. <G> For this reason, your dogged arguments against RAMBUS and for SDRAM are essentially ludicrous and disingenuous. But I know that you will persist as long as you are getting your checks. <LOL>

It puts you in the position of someone arguing for return to "trailing edge" technologies. Perhaps you can fool "mom" and "pop" with this kind of argument but you are unlikely to fool any "good design engineers" here in Silicon Valley.

:)