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Subject: Re: Quad Xeon questions

Author: Vincent Lejeune

Date: 10:13:11 12/15/98

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On December 13, 1998 at 23:53:25, Robert Hyatt wrote:

>On December 13, 1998 at 22:59:08, Larry Applebaum wrote:
>
>>On December 13, 1998 at 22:16:39, Robert Hyatt wrote:
>>
>>snip...
>>
>>>quad xeon is in...  and running on ICC... typical speed is 600-800K nodes
>>>per sec, max (so far) is 940K...
>>
>>What are the specs on that system? Motherboard, processor specs, memory, etc
>
>
>It is based on the 450NX chipset, the chassis is made by Intel, and is called
>the SC450NX...  has three 400 watt power supplies (hot swappable), slots for
>16 72 bit buffered EDO RAM with 4-way interleaving (interleaving makes SDRAM
>worthless).  Comes with three on-board SCSI adapters, two ultra-2 wide
>(low voltage differential signaling) channels and one narrow scsi channel.
>Has 3 external drive bays for CDrom/tape/hard drives, plus 6 hot-swap SCA-2
>connecters in a SCSI Cage...
>
>My machine has 4 pentium II/xeon 400mhz processors with 512kb of L2 cache,
>plus 512mb of RAM.  It has two 4.3 gig 7200 rpm disks for system and so forth,
>and (hopefully tomorrow) will have three 9.1 gig Ultra2 wide SCSI 10,000 RPM
>disks with 4 megs of cache per drive (for the complete set of 3-4-5 piece
>Nalimov tablebases).


Can you deduce the relative speed of one Xeon-400 compare to one PII-400, and
compare to one PP-pro 200 ?



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