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Technology Stocks : Advanced Micro Devices - Moderated (AMD) -- Ignore unavailable to you. Want to Upgrade?

To: Joe NYC who wrote (2469)	7/27/2000 9:19:14 AM
From: pgerassi	Read Replies (1) \| Respond to of 275872

Dear Jozef: RE: Registered DIMMS Registered DIMMs are buffered. That adds one extra cycle to the latency thus CAS3 Registered is like CAS4 unbuffered. This extra cycle allows for the use of buffering chips to allow more DIMM sockets to be used. This allows for up to 16 DIMMs per SDRAM channel in server systems (very rare). Thus it is now possible for a single channel to be connected to 8GB. This also can be done to "interleave" the memory, thus simulate a very high transfer rate like 2x or 4x PC133 to be have the bandwidth of PC4200. This is done with current Alpha motherboards (which is why they are so expensive). Pete