IDF Spring 2005 Day 1 - Gelsinger Speaks, nForce4 Intel and moreby Anand Lal Shimpi & Derek Wilson on March 2, 2005 3:00 AM EST
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More FBDIMM Talk
During the keynote Pat breezed through some benefit charts of FBDIMM in the server world. For those of you that aren’t familiar, FBDIMM employs a serial interface based on the PCI Express bus to connect individual FBDIMMs to one another and eventually to the memory controller. The point of the FBDIMM spec is to allow for higher performance memory controllers while at the same time increasing the number of memory slots on a motherboard.
Generally speaking, the higher the frequency of your memory bus, the fewer memory slots you can have on a motherboard. This isn’t normally a problem for desktop boards since you rarely need more than 2 - 4 slots, but on a server platform with 16+ slots it can be an issue. You shouldn’t have to trade memory speed for capacity, and FBDIMM attempts to ensure that.
Kingston also had FBDIMM samples on display: