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To: Elmer who wrote (127248)2/12/2001 4:47:20 PM
From: Jim McMannis  Read Replies (1) | Respond to of 186894
 
RE:"Re: "If memory serves, AMD developed their own extensions"
As I recall Cyrix developed their own extensions but AMD licensed MMX from Intel after Intel threatened to sue. Maybe it was just the name "MMX" but AMD paid(s) a fee nonetheless."

I hope Duke writes things down. :)



To: Elmer who wrote (127248)2/12/2001 9:51:56 PM
From: Paul Engel  Read Replies (1) | Respond to of 186894
 
Elmer - re: "As I recall Cyrix developed their own extensions but AMD licensed MMX from Intel after Intel threatened to sue. Maybe it was just the name "MMX" but AMD paid(s) a fee nonetheless."

AMD licensed the instruction set that was eventually called "MMX". AMD agreed to pay a royalty fee to Intel for every chip using MMX through the year 2000.

When AMD ACTUALLY introduced the K6 and CALLED it K6 with MMX, Intel objected to their use of this term and sued.

Eventually, AMD and Intel settled with AMD agreeing to use the MMX term only if they gave proper attribution that this was a registered trademark of Intel.

Cyrix developed their own unlicensed version of MMX and went own to garner 99% of the x86 CPU business in the greatest technological and manufacturing achievement of all time.

Paul