Serial no. 9016
Sigma 9 mainframe computer system including Xerox Sigma 9 IO controller, Xerox disc drives, Xerox tape drives, Sigma 9 Central processing unit, Disk drive controller IFX, console terminals and keyboards, Xerox card punch reader, Xerox line printer and stand, Honeywell memory cabinet, Xerox Sigma 9 PCP MIOP, PT14/15B power supply and three Xerox tool boxes containing spare parts and manuals.

The Xerox Sigma 9, introduced in 1972, was a notable high-performance mainframe computer developed by Xerox's Data Systems Division. Part of the Sigma series, it was recognized for its advanced architecture and strong computational capabilities.

One of the Sigma 9’s key features was its ability to efficiently handle complex calculations and large datasets, making it suitable for scientific research and engineering applications. Its design included a large memory capacity and high-speed processing units, which enhanced its performance in processing demanding workloads. However, the high cost and substantial physical space required for installation limited its broader adoption.

Overall, the Xerox Sigma 9 was an important development in the evolution of high-performance computing during the early 1970s. Its advanced design contributed to the technological progress of the time and influenced subsequent developments in mainframe computing.

Total dimensions roughly measuring: 6 ft. 1 in. high (1.9 m.), 15 ft. (4.5 m.) wide, 19 ft. 4 in. (5.9 m.) deep.

Andrews University, Berrien Springs, Michigan.
George Plue.

Please note that all property in this sale is currently located in Seattle and will ship from Seattle, and that the total purchase price will be subject to the applicable state sales tax. All post-sale matters for the online sale (inclusive of invoicing and property pickup/shipment) will be handled by Christie's. Kindly note that this lot requires a detailed deinstallation. Please reach out to GenOne@christies.com for full information and quotes

This lot is subject to additional disclaimers. Please carefully review Section E(2), subsection (h) “Vintage Computers and Machines”.