Power Constraint:heat dissipation limited systems High-end systems,e.g.servers,stations and desktops Cooling and packaging cost Reliability requires System Power Consumption evey10℃increase on Athion 64 3500+90nm Athlon 64 3500+130nm relative operating temperature ■Pentium43.4GHz90nn MTBF double failure rate for the 112 131 1下 components 151 0.8 151 Sphinx 179 0.6 233 0.4 146 Moldyn 175 0.2 230 0 151 Xmpeg 179 707580859095100105 236 source:Intel Components Quality Temp 50 100 150 200 250 and Reliability Handbook Watts llxx@ustc.edu.cn 5/62Power Constraint：heat dissipation limited systems • High-end systems, e.g. servers, stations and desktops – Cooling and packaging cost – Reliability requires relative MTBF every 10℃ increase on operating temperature double failure rate for the llxx@ustc.edu.cn 5/62 Temp MTBF 0 0.2 0.4 0.6 0.8 1 70 75 80 85 90 95 100 105 source: Intel Components Quality and Reliability Handbook double failure rate for the components