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IBM Journal of Research and Development  
Volume 43, Numbers 5/6, 1999
IBM S/390 Server G5/G6
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Custom S/390 G5 and G6 microprocessors - Author bios

by M. A. Check and T. J. Slegel

Biographical sketches of authors

Mark A. Check   IBM System/390 Division, 522 South Road, Poughkeepsie, New York 12601 (check@us.ibm.com). Mr. Check received a B.S.E.E. degree from the University of Wisconsin at Madison in 1988 and an M.S.C.E. from Syracuse University in 1993. He joined IBM in 1988 at the IBM Product Development Laboratory in Poughkeepsie in the Processor Development organization. Mr. Check has worked on the ES/9000 and the G4 CMOS processor families in the instruction unit; he was the instruction unit leader for the G5 and G6 processors. He has received a Fourth-Plateau IBM Invention Achievement Award, an IBM Outstanding Innovation Award, and an IBM Outstanding Technical Achievement Award. Mr. Check is an Advisory Engineer and a member of the IEEE. He is currently working on the design of future IBM microprocessors.

Timothy J. Slegel   IBM System/390 Division, 522 South Road, Poughkeepsie, New York 12601 (slegel@us.ibm.com). Mr. Slegel received his B.S.E.E. and M.S.E.E. degrees from Lehigh University in 1980 and 1982, respectively, joining IBM in 1982. He has worked in many areas of processor design, including arithmetic units, vector processors, and caches, and was the overall team leader for the G5 and G6 processors. Mr. Slegel has received a Fifth-Plateau IBM Invention Achievement Award, an IBM Outstanding Innovation Award, and two IBM Outstanding Technical Achievement Awards. He is a Senior Technical Staff Member, currently working on the design of future IBM microprocessors.