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To: Bilow who wrote (68586)3/20/2001 7:43:41 PM
From: Jdaasoc  Read Replies (1) | Respond to of 93625
 
carl:
choice excerpt from asus review.

ocworkbench.com

"Also noticed that the results @ 142Mhz is worse than @ 133Mhz ? Well, I have enquire that and ASUS representative has told me "To keep the system stable, they reduced the memory timings when above 140Mhz FSB"."

I guess that "ringing" in SDRAM/DDR memory buses takes a couple of extra clock cycles to die down at higher bus speeds.

I, as a ee layman, interpert SDRAM signaling like being in wave pool. The quicker the waves come one after the other, the more you get buffeted. Not to mention the relected wave from other end of pool.
RDRAM is more like skipping rope. As long as you can keep up with the uniformly rotating rope, higher speeds are possible.

john