@article{lorch1998energy,
author = {Lorch, Jacob R. and Smith, Alan Jay and Lorch, Jay},
title = {Energy consumption of Apple Macintosh computers},
year = {1998},
month = {November},
abstract = {The utility of a portable computer is critically dependent on the period it can be used while running off the battery. In this paper, we present a study of power consumption in Apple Macintosh computers. We measure the existing power consumption for each system component using built-in measuring tools. Since total power consumption is a function of user workload, we use eight user workload traces to determine power use as observed in practice. Apple currently implements some simple power-saving features, and the effectiveness of those features is estimated; we find typical power savings of 41-66%. After the use of basic power-saving techniques, we find that the major power users are the backlight (25-26%), the CPU (9-25%), the display (4- 17%), the video circuitry (6-10%), and the hard drive (4-9%). We then evaluate possible changes in system hardware and software with regard to the power savings they might offer.},
publisher = {Institute of Electrical and Electronics Engineers, Inc.},
url = {http://approjects.co.za/?big=en-us/research/publication/energy-consumption-of-apple-macintosh-computers/},
pages = {54-63},
journal = {IEEE Micro},
volume = {18},
edition = {IEEE Micro},
}