Issue No. 02 - March/April (2002 vol. 22)
<p>To achieve reliability goals, Power4 system design incorporates fault tolerance throughout the hardware, firmware, and operating system. Together, these system components provide concurrent and deferred maintenance, multilevel recovery from error, and runtime diagnostics.</p>
D. C. Bossen, K. Reick and J. M. Tendler, "Power4 System Design for High Reliability," in IEEE Micro, vol. 22, no. , pp. 16-24, 2002.