High Performance Packaged Electronics for the IBM ES9000TM Mainframe. - Arnold E. Barish; James P. Eckhardt; Mark D. Mayo; Walter A. Svarczkopf; Santosh P. Gaur; Rao R. Tummala (ICCD, 1991)

Improved performance of IBM Enterprise System/9000 bipolar logic chips. - Arnold E. Barish; James P. Eckhardt; Mark D. Mayo; Walter A. Svarczkopf; Santosh P. Gaur (IBM J. Res. Dev., 1992)

Circuit design techniques for the high-performance CMOS IBM S/390 Parallel Enterprise Server G4 microprocessor. - Leon J. Sigal; James D. Warnock; Brian W. Curran; Yuen H. Chan; Peter J. Camporese; Mark D. Mayo; William V. Huott; Daniel R. Knebel; Ching-Te Chuang; James P. Eckhardt; Philip T. Wu (IBM J. Res. Dev., 1997)

Measuring Jitter and Phase Error in Microprocessor Phase-Locked Loops. - Keith A. Jenkins; James P. Eckhardt (IEEE Des. Test Comput., 2000)

IBM eServer z900 high-frequency microprocessor technology, circuits, and design methodology. - Brian W. Curran; Yuen H. Chan; Philip T. Wu; Peter J. Camporese; Gregory A. Northrop; Robert F. Hatch; Lisa B. Lacey; James P. Eckhardt; David T. Hui; Howard H. Smith (IBM J. Res. Dev., 2002)

An advanced optical diagnostic technique of IBM z990 eServer microprocessor. - Peilin Song; Franco Stellari; Bill Huott; Otto Wagner; Uma Srinivasan 002; Yuen H. Chan; Rick Rizzolo; H. J. Nam; James P. Eckhardt; Timothy G. McNamara; Ching-Lung Tong; Alan J. Weger; et al. (ITC, 2005)