AMD ADA3500DAA4BW - Athlon 64 2.2 GHz Processor Bedienungsanleitung PDF herunterladen (Seite 6)

ABSTRACT

The thermal analysis of any electronic component is often limited by the inability to

obtain detailed and accurate temperature data. To validate any thermal model developed

to describe the behavior of microprocessors, two methods are currently used. One technique

simulates the thermal response of each component given a certain input, the other uses

thermocouples as a method of data collection in speciﬁc chip areas. Both methods have

various shortcomings: simulation relies on imperfect models, while data collection cannot

provide ﬁne-grained temperature values.

To solve this problem, we investigated the establishment of a new methodology to validate

a thermal simulation model. It involves the use of infrared thermography to capture the

distribution of temperature and the power dissipation of a chip in real time.

The installation of such a measurement system requires the replacement of the cooling

system installed on the processor by another system which enables the passage of IR radiation

to be detected by the camera. Two solutions were proposed, the use of mineral oil and a

thermoelectric cooler (a Peltier module). The best results were obtained with the latter,

allowing better control and temperature stabilization. The data collected by our system

were then used to validate the accuracy of the thermal of two thermal models, Comsol and

ICTherm.

Results show that both ICTherm and Comsol provide temperature values that are within

the accuracy of the infrared camera used in this study, i.e. ±2

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AMD ADA3500DAA4BW - Athlon 64 2.2 GHz Processor Bedienungsanleitung Seite 6