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Technology Stocks : Intel Corporation (INTC)

INTC 45.51

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Jan 9 9:30 AM EST

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To: Petz who wrote (39995)	11/11/1997 4:48:00 PM
From: Tony Viola	Read Replies (2) of 186894

John, re: "If such a bug were found on a mainframe, you are right, the microcode would be patched by replacing a PROM." WRONGO!Microcode nowadays is stored in RAM in the big machines. In fact, in the high majority of cases, it is "concurrently maintainable", so that the customer does not even have to take an outage to install new microcode. The only reason I make a deal out of this is if you don't know what you're talking about re mainframes, why should I take credence in your knowledge of CPU chips? re :" On an Intel CPU this is totally impossible -- the microcode is embedded in the silicon." Are you sure there is no microcode RAM in Intel CPU's? How about being able to add MMX instructions to existing chips. How dey do dat? Also, Intel announced on chip control store that could be used to fix bugs from "outside". Sounds like we have a good use for that control store now. Tony

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