Frank Soltis

Frank G. Soltis (born 1940), an American computer scientist, is IBM's Chief Scientist for the System i computers. Based on his Ph.D. research, his pioneering architecture of technology-independent machine interface (TIMI) and single-level store has appeared in these eight generations of IBM hardware: System/38 in 1978, the CISC AS/400 in 1988, the RISC AS/400 in 1995, the web server AS/400e in 1999 (supporting [] and TCP/IP), the eServer iSeries, the System i5, the System i, and Power Systems running i (April, 2008).

Academic career

In November 1968, Frank Soltis moved to Rochester, Minnesota, after getting his PhD in computer engineering from Iowa State University. As of 2008, in addition to his IBM responsibilities, Soltis continues as an adjunct professor of electrical engineering and computer science at the University of Minnesota where he teaches graduate courses on high performance computer design.

Soltis led the design of the "Amazon" instruction set architecture, an extended version of the 64-bit PowerPC architecture; the Amazon architecture is implemented by the RS64, POWER4, and POWER5 processors used in the IBM iSeries and pSeries computers.

Soltis' By Design column appears in System iNEWS magazine. His books include Inside the AS/400 and Fortress Rochester, The Inside Story of the IBM iSeries.


  • Soltis, Frank G. (1997). Inside the AS/400, Duke Press. ISBN 1-882419-66-9
  • Soltis, Frank G. (2001). Fortress Rochester: the Inside Story of the IBM iSeries, NEWS/400 Books. ISBN 1-58304-083-8


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