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To: pgerassi who wrote (104336)	6/11/2000 4:32:00 PM
From: Tenchusatsu	Read Replies (3) \| Respond to of 186894

Pete, I think you are stretching hope with your last post: <Within three months, the 760MP comes with 2GB PC2100, and dual Tbirds at somewhere over 1.2Ghz each (possibly Mustangs at 1.46GHz) at a price still less than the SMP Cmine board. It may even have a third party optimizing compiler and triple the performance.> You've got to be kidding me. First of all, the motherboard itself isn't going to be trivial to manufacture. The north bridge itself will require over 1,000 pins (two EV6 ports plus two DDR channels plus whatever connection to the south bridge). Then you have the enormous power requirements of each Athlon. Finally, it's not even clear that the single Athlon 760 chipset will be here in three months, much less this dual Athlon platform. Second, I don't think it's reasonable to hope for "triple the performance" out of an optimizing compiler. Even AMD is expecting 50% improvement in SPECfp performance (and less in SPECint), and only part of that is due to compiler enhancements. And third, it's most probable that when dual Athlon platforms on 760 DDR chipset appear, so will dual Willamette platforms on Colusa dual-RDRAM chipset. No way will a dual-Athlon be able to compete performance-wise with dual-Willamette. The only hope is to compete in a price/performance sense once again, but that matters less when you're talking about high-end workstations. The only advantage this 760 platform will have is cheaper memory thanks to DDR. That ought to offset the higher platform costs associated with dual-DDR channels. Tenchusatsu

To: pgerassi who wrote (104336)	6/11/2000 9:24:00 PM
From: Elmer	Read Replies (1) \| Respond to of 186894

Re: "After the MTH fiascos, I do not believe any workstation user would risk a MRH even if, Intel had one." Looks like they do: developer.intel.com "Intel© 82803AA Memory Repeater Hub for RDRAM (MRH-R) Datasheet The Expansion channel is the interconnect between the MCH and the MRH-R. The MRH-R component provides the capability to support multiple Direct RDRAM channels off each expansion channel of an MCH. This datsheet includes: a block diagram of an Intel© 840 chipset memory subsystem with MRH-Rs, an 82840 MCH to 82803AA MRH-R interconnect diagram, plus information on channels, registers and signals. The Intel© 840 chipset no longer supports SDRAM memory. Intel has also removed support for 82804 SDRAM-based memory repeater hub (MRH-S), which enabled SDRAM support. The 840 chipset was designed for RDRAM memory and continues to support RDRAM memory. For added RDRAM memory capacity, the 82803AA Memory Repeater Hub for RDRAM (MRH-R) can be used."