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Socket PAC611

Pictures from CPU Shack

More Info

The following is based upon a translated and rephrased version of the German Wikipedia entry for PAC611, and my own information.

PAC611 is the name for the second-generation 64-bit Itanium 2 processor socket. It is a VLIF-PGA socket (Very Low Insertion Force-Pin Grid Array) with 611 contacts, plus other contacts to power the processor at 1.5 Volts. It interfaces using the Scalability Port (aka P7 Bus or McKinley bus) operating at 200, 266, or 333 MHz and double pumped for DDR speeds of 400, 532, 667Mhz. The maximum transfer rate is 10.6GB/s @ 667 MHz. The Itanium 2 chips themselves run from 900 MHz up to 1600Mhz (June 2006). Socket PAC611 is extremely rare, partly due to the extreme cost of Itanium systems, and the limited use of Itanium by large corporations.
The following chipsets are known to support PAC611: IBM Summit, H-P ZX1/SX1000/SX2000, and Intel 460GX/E8870.

Wikipedia Entry

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Original article from Wikipedia on June 8th 2006

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