Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 217.53

+1.5%

Nov 28 9:30 AM EST

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To: TechieGuy-alt who wrote (72749)	2/28/2002 12:59:26 PM
From: milan0	Read Replies (3) of 275872

TG re: *since the BIOS itself is fooled into seeing 4 processors.* "Not true. Remember, the BIOS sees everything. I doubt that the BIOS would see a two processor system if HT was turned on, on a single processor system." That is not how I understand this sentence from the article: "In fact, the illusion is so complete that when you first power up a hyperthreading-enabled system, the BIOS POST (Power-On Self Test) reports the total number of virtual (as opposed to physical) processors." Also, you ask: "What, if instead of turning off hyperthreading, the BIOS turned off the second processor and left HT on?" I ask: What if the BIOS turned off both the second processor and HTh? Then, you would compare 1 processor to 4 processors... re: "the INTC spooks would know that HT could not account for that type of performance improvement and would have posted here that something was wrong ..." Right; just trying to understand... Myke

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