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Rambler's Top100 Рейтинг@Mail.ru

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Intel
Краткое содержание статьи: After the shameful defeat in the Giga Hertz race Intel is now trying to leapfrog AMD. By squeezing the last bit of performance out of the well-known Coppermine core Intel created a very fast processor. The fact that it is the most unreliable and instable CPU Intel has ever released equalizes the fact that it will hardly be available.

Intel's Next Paper Release -<BR>The Pentium III at 1133 MHz


Редакция THG,  31 июля 2000
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Horrible Instability Without The Latest Micro Code Update

I received my sample on Friday, facing working-weekend No. XXX of this year. However, things turned out to be different. Intel was actually shipping these 'More-Than-Giga' samples together with a specially prepared VC820 motherboard and Rambus memory. This is very unusual for Intel, since they normally supply you just with the CPU. In my case I was lucky to receive the processor sample, but the motherboard never made it to me. This would normally not have been an issue, because I anyway test processors on my proven, reliable and high performing own test beds, but this time I was unfortunately utterly unable to run any decent benchmark on any of my Slot1 platforms.

As it turns out Intel had to use all kinds of tricks to get Coppermine to 1133 MHz. Any motherboard that has not got the special micro code update for this very processor will ultimately fail. What is 'micro code update'? Well, all of Intel's 6th-generation processors have a little area that can store some software ('micro code') to deal with processor bugs right inside the CPU. Usually the motherboard BIOS loads this software into the processor right after boot-up. Each time Intel finds a new bug they try to create a new little software patch that is called 'micro code update'. These 'micro code updates' make the processor more reliable, but they always cost a bit of performance, because they basically turn off some internal features. As it turns out the new Pentium III at 1133 MHz is utterly unable to run reliably at this speed without a brand new micro code update, while it performs fine if you 'underclock' it to e.g. 850 MHz. So if anyone wants to make you believe that Intel was easily able to bring the 'Coppermine' to 1.133 GHz then this guy is either incompetent or a liar.
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СОДЕРЖАНИЕ

Обсуждение в Клубе Экспертов THG Обсуждение в Клубе Экспертов THG


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