The Pentium Flaw NT1110 Computer Structure and Logic Unit 2 Analysis The Pentium floating-point unit flaw only occurred on some models of the original Pentium microprocessor chip. Any of the Pentium family processors with a clock speed of at least 120 MHz is new enough not to have the bug. On the affected microprocessor models‚ the Intel Processor Frequency ID Utility checks for the floating-point unit flaw. Professor Thomas Nicely sent an email describing the flaw that he had discovered
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Locklear NT1110 Monday Research Paper: Pentium Flaw In 1994 there was a major flap in the media about Intel’s Pentium microprocessor chip. The Pentium microprocessor is the CPU for what were the widest selling personal computers. Unlike previous CPUs that Intel made‚ the 486Dx and Pentium chips included a floating point unit (FPU). Previous Intel CPUs did all their arithmetic using integers; and Pentium chips have these instructions built into the chip‚ in their FPUs. This made them much faster
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NT1110: Computer Structure and Logic ITT Technical Institute 10/20/2013 The Pentium Flaw a divisional error was discovered in the summer of 1994. The flaw was discovered by Intel. Intel decided that their chips did not need to be recalled since the chance of the average user discovering the error was less than 1 in 9 billion. Thomas Nicely a mathematics professor at Lynchburg College in Lynchburg VA made error public when he sent an e-mail to several colleagues. Nicely was using
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Kevin Flecker NT-1110 4/26/2014 Pentium Flaw The Pentium FDIV bug was a bug in the Intel P5 Pentium floating point unit (FPU). Because of the bug‚ the processor would return incorrect results for many calculations used in math and science. Intel blamed the problem on a few missing entries in the lookup table used by the company. The error was discovered by Professor Thomas R. Nicely at Lynchburg College‚ Virginia‚ USA. The error was rarely encountered by users (Byte magazine estimated that
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Wilson The Pentium microprocessor flaw was discovered in June‚ 1994. The Pentium microprocessor is the CPU for what was once possibly the widest-selling personal computer. Unlike previous CPUs that Intel put on the market‚ the 486DX and Pentium chips included a floating-point unit (FPU)‚ which is also known as a math coprocessor. Previous Intel CPUs performed arithmetic using integers; programs that used floating-point numbers (non-integers like 2.5 or 3.14) needed to tell the chip how to divide
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Intel Pentium Chip Controversy (A) Immediate Issue: As Andrew Grove‚ during my meeting of December 17‚1994 with my internal team‚ Should I approve replacing the defective Intel chips of all concerned users with no-question asked? Also‚ should we also pay for the labor and other incidental costs? How should we integrate our decision into our financial books? Basic Issues: • Negative Publicity: Since Oct 30th‚ we have encountered a self-propelled negative publicity campaign against Pentium brand
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Pentium Flaw Parker Hebert Ms. Heath 10/22/13 Pentium Flaw June 1994: Intel testers discover a division error in the Pentium chip. Intel managers decide that the error will not affect many people and do not inform anyone outside the company. This was Intel’s first mistake. The company was right in that the division error could affect only a few customers‚ but not disclosing the information made Intel appear to hide a sinister secret. It sent the message
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NT1110 Theory 10 The Pentium Flaw Back in June‚ 1994 the Pentium Flaw was noticed by Intel testers‚ who had discovered a division error on the Pentium chip. Intel managers didn’t see this as a major problem so they kept this from anyone outside their corporation. The nature of this issue was a mathematical problem in their Floating Point Unit (FPU)‚ or the math coprocessor. The Pentium chip was having glitches in calculating large divisions. It wasn’t until October 19th‚ when Dr. Thomas R. Nicely
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Martin P. Sarmiento Assignment Unit 5 Analysis Pentium Flaw PENTIUM FLAW Intel’s company engineers discovered the problem in updates to the chip. However‚ it was not until a mathematician Thomas Nicely (of Lynchburg College in West Virginia) discovered the flaw during the summer/ fall of 1994 that it got in the news. He was computing the sum of the reciprocals of a large collection of prime numbers on his Pentium-based computer. Checking his computation‚ he found the result differed significantly
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Monday Unit 5 Analysis 1: Pentium Flaw Determine the nature of the Pentium flaw‚ how it was discovered‚ when it was discovered‚ and Intel’s response to the flaw. In June 1994‚ Intel discovered the floating-point unit flaw in the Pentium microprocessor. On October 24th‚ 1994 he reported the flaw he encountered to Intel. According to Professor Thomas Nicely‚ the person that he contacted at Intel later admitted to Intel being aware of the flaw since May 1994. The flaw was discovered by Intel
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