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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 200.46-17.2%Feb 4 3:59 PM EST

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To: Joe NYC who wrote (30267)3/5/2001 12:24:03 AM
From: milo_moraiRead Replies (2) of 275872
 
"But before you can go off and praise RDRAM's lower pin count (the bus is still only 16-bits wide compared to DDR SDRAM's 64-bit wide bus), a promise that Rambus made a while ago has yet to come through. According to Rambus, one of the benefits of RDRAM technology was that it would allow motherboard manufacturers to continue to use 4-layer motherboards because of the fewer traces required between the memory banks and the Memory Controller Hub (essentially the Northbridge). However all currently shipping Pentium 4 boards are 6-layer designs, we got confirmation of this by speaking with motherboard manufacturers on the topic.

Intel is working with memory manufacturers in order to help tweak their RDRAM designs so that they may eventually switch to a 4-layer design, but that promise has not held true yet. For comparison, the majority of KT133 and KT133A motherboards are still 4-layer designs (and are thus cheaper) while all AMD 760 designs are 6-layer. "
anandtech.com
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