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To: Sam Scrutchins who wrote (6833)	12/15/1997 1:17:00 AM
From: Eric Yang	Respond to of 213173

Well...ever since the days of 68040 and even earlier they've been sticking heatsinks on top of the processor to help keep the chip cool. On PowerPCs the heatsinks have been getting bigger and bigger as the MHz and power usage increased. It's huge on a 233 MHz 604e card. Almost as big as the entire daughtercard. However, with the reduction in chip size in Mach 5 (improved 604e) and Arthur (750) the heatsinks are looking more conservative now. The G3 uses so little power (average of 6 watts or so) that after leaving the machine on for hours if you touch the heatsink its barely warm. The higher MHz Pentiums drains 20-30+ Watts. I've made a chart that compares power usage of various processors. I'll put it up on my web page as soon as I reinstall some programs on my computer. By the way, if I remember correctly the human brain runs at about 20 watts all from burning pure glucose. The brain can't metabolize fat or protein like other tissues. Eric