Issue No.01 - January/February (2001 vol.21)
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/40.903064
The driving force behind the Itanium processor cartridge is electrical bus performance for the external system bus and the internal L3 backside bus.
William A. Samaras, Naveen Cherukuri, Srinivas Venkataraman, "The IA-64 Itanium Processor Cartridge", IEEE Micro, vol.21, no. 1, pp. 82-89, January/February 2001, doi:10.1109/40.903064