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Bidding has ended on this item. The seller has relisted this item or one like this. Item:Intel Pentium III Processor Katami |
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Katmai The first Pentium III variant as the Katmai (Intel product code 80525). It was a further development of the Deschutes Pentium II. The only differences were the addition of execution units and the modification of instruction decode and issue logic to support SSE; as well as an improved L1 cache controller - the L2 cache controller was left unchanged, as it would be completely redesigned for Coppermine anyway - which was responsible for the minor performance improvements over the "Deschutes" Pentium IIs. It was first released at speeds of 450 and 500 MHz. Two more versions were released: 550 MHz on May 17, 1999 and 600 MHz on August 2, 1999. On September 27, 1999 Intel released the 533B and 600B running at 533 & 600 MHz respectively. The 'B' suffix indicated that it featured a 133 MHz FSB, instead of the 100 MHz FSB of previous models. The Katmai contains 9.5 million transistors and has dimensions of 12.3 mm by 10.4 mm (128 mm2). It is fabricated in Intel's P856.5 process, a 0.25 micron CMOS process with five levels of aluminium interconnect.[2] The Katmai used the same slot based design as the Pentium II but with the newer SECC2 cartridge that allowed direct CPU core contact with the heat sink. There have been some early models of the Pentium III with 450 and 500 MHz packaged in an older SECC cartridge intended for OEMs. A notable stepping for enthusiasts was SL35D. This version of Katmai was officially rated for 450 MHz, but often contained cache chips for the 600 MHz model and thus usually was capable of running at 600 MHz. |
Postage and handling Item location: Lockwood, Victoria, Australia Posting to: Australia
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