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To: d[-_-]b who wrote (135157)	5/15/2001 5:47:26 PM
From: Tenchusatsu	Read Replies (2) \| Respond to of 186894

Actually, Eric, the difference might just be chipset and software. The current Xeon 4-way chipset is ServerWorks ServerSet III HE, and that supports up to 8 GB of SDRAM. The current Xeon 8-way chipset is Profusion, and that supports up to 32 GB of SDRAM. The main chipset for Itanium will be 460GX, and that will support up to 16 GB in 2-way workstation mode and up to 64 GB in 4-way server mode. As for software, I've heard database software would prefer to see one flat memory space instead of juggling memory pages all over the place. But I wonder if that's really a big barrier which prevents large-memory Xeon servers from making real headway in today's market. On the other hand, you really can't argue against the bandwidth the 460GX chipset will provide. 2.1 GB/sec on the FSB (2.5x that of the P3 Xeon bus, plus lower latency), plus 4.2 GB/sec from memory. All this should make Itanium king of the 4-way servers until 4-way Foster arrives late this year, not to mention 4-way McKinley after that. Tenchusatsu