Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 217.91

+0.9%

Dec 5 9:30 AM EST

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To: Bill Jackson who wrote (19803)	11/20/2000 12:38:18 PM
From: TechieGuy-alt	Read Replies (2) of 275872

<snip>..am not sure to what degree AMD can recode those SSI 1 and 2 extensions by the use of chinese wall methods that generate workalike code that does not infringe and intel copyrights or patents Let's just get this clear one more time (this this just keeps coming back like a bad internet joke). The courts have already decided this issue in the 80's: "Features like SSE, MMX, SSE2 are neither patentable or copywritable." Not patentable, because only an implementation is patentable. Not copywritable because, as the microcode is never published, is cannot be copied, hence a clean room design is always ok. This is how NEC, SGSThompson, Cyrix managed to make x86 clones (AMD has a license for x86 code for perpetuity). The above may not stand up tosome technical legal scrutiny, but in essence I believe it to be correct (But I am no legal expert- so all this is JMHO). TG

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