Intel Pentium III - 1998         Intel Pentium III, which is an enhanced Pentium II with 70 new instructions (SIMD, SSE) is the Intel product for desktop computers. Pentium III, same as Pentium II, have different versions like Mobile, Xeon and Celeron. Interestingly, Pentium III also have different version (and packaging) just for desktop computers: Katmai Slot 1, Coppermine Slot 1 and Coppermine Socket 370. At the end, Intel gave up its cartridge and go back to socket interface (Socket 370) In the display, there is a Intel Pentium III Mobile 1000Mhz Engineering Sample. Without knowing from the source that this is actually 1000Mhz, there is no way we can identify it from its label - "C051A103 QCH5". The xBox CPU (the one at very bottom) is a special customized version of Pentium III 733Mhz Coppermine, because it is a hybrid between Pentium III (but only has 128KB cache) and Celeron (but have 8-way set associative L2 Cache instead of 4). Its performance is about 10% higher than ordinary Celeron 733Mhz but its a lot cheaper, so Intel beat AMD to become Microsoft's partner for the new gaming machine. Process: 0.25 micron 9.5 million transistors Package: Single Edge Contact Cartridge 2 (SECC2) Data Bandwidth: 32 bit Working Voltage: 2V Released Clock Speed(s) 400 MHz - 1400 MHz Intel Pentium III Slot I [F] [B] Intel Pentium III 533Mhz [F] Intel Pentium III 550Mhz 512KB [F] Intel Pentium III Xeon [F] [B] Intel Pentium III Xeon 866Mhz 256KB [F] Intel Cerelon 300Mhz 128KB Mendocino (FV524RX300) [F] [B] Intel Cerelon 400Mhz 128KB Mendocino (B80524P400) [B] Intel Pentium III 700Mhz 256KB Socket 370 Coppermine [F] Intel Pentium III 1133Mhz 512KB Socket 370 Tualatin [F] [B] Intel Pentium III Cerelon 633Mhz 128KB Socket 370 [F] Intel Pentium III Cerelon 667Mhz 128KB Socket 370 [F] Intel Pentium III Mobile 500Mhz 256KB (MPGA-2) [F] Intel Pentium III Mobile 1000Mhz (BGA) ES [F] [B] Intel Pentium III-M Mobile 850Mhz QKZ1 (Micro-FCBGA) Qualification Sample [F] Intel Pentium III Xbox 733Mhz 128KB (MPGA-2) [F] Pentium III是給桌上型電腦的中央處理器晶片（CPU），等於是 Pentium II的加強版，新增七十條新指令(SIMD，SSE)。Pentium III與Pentium II一樣有 Mobile、Xeon以及Cerelon等不同的版本。 特別的是，Pentium III光光是桌上型就擁有Katmai Slot 1 、Coppermine Slot 1以及Coppermine Socket 370等三種不同的系列。到後期，英特爾放棄插卡式介面而又回歸到插槽介面（Socket 370）。 這裡也有一顆Intel Pentium III Mobile 1000Mhz的工程版。要不是從來源知道這是一顆1 Ghz的晶片，光光從上面的字是不可能瞧出端倪的（也沒有主機板可測，因為後面都是用錫球焊接的）。 這裡面的xBox CPU是比較特別的 Pentium III Coppermine，因為它其實是介於Pentium III（可是只有128KB Cache）跟 Cerelon（卻有8-way set associative L2 cache，一般Cerelon只有 4-way）之間，可是因為它比一般Cerelon 733Mhz效能多了大約10%，而價錢又便宜，所以英特爾（Intel）打敗超微（AMD）成為Microsoft xBox的合作對象。 製程： 0.25 micron 9.5 million transistors 封裝： Single Edge Contact Cartridge 2 (SECC2) 資料頻寬： 32 bit 工作電壓： 2V 工作時脈： 400 MHz - 1400 MHz Intel Pentium III Slot I 正 反 Intel Pentium III 533Mhz 正 Intel Pentium III 550Mhz 512KB 正 Intel Pentium III Xeon 正 反 Intel Pentium III Xeon 866Mhz 256KB 正 Intel Cerelon 300Mhz 128KB Mendocino (FV524RX300) 正 反 Intel Cerelon 400Mhz 128KB Mendocino (B80524P400) 反 Intel Pentium III 700Mhz 256KB Socket 370 Coppermine 正 Intel Pentium III 1133Mhz 512KB Socket 370 Tualatin 正 反 Intel Pentium III Cerelon 633Mhz 128KB Socket 370 正 Intel Pentium III Cerelon 667Mhz 128KB Socket 370 正 Intel Pentium III Mobile 500Mhz 256KB (MPGA-2) 正 Intel Pentium III Mobile 1000Mhz (BGA) ES 正 反 Intel Pentium III-M Mobile 850Mhz QKZ1 (Micro-FCBGA) Qualification Sample 正 Intel Pentium III Xbox 733Mhz 128KB (MPGA-2) 正
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