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| Cobalt3 Pyramid V Fan Controller |
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| Written by Mikhail Ivanenkov | |
| Wednesday, 13 June 2007 | |
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Page 2 of 3
I then proceeded to turn on my test AT power supply and was instantly greeted by the full force of each blower, then reduced to much more pleasant noise levels. Visually, the most interesting was the LED fan. Because it was very quiet to begin with (rivaling Vantec's Stealth line), the further reduced power caused some very low RPM which in turn created a "jagged" illusion from the LEDs. I could also see it speed up when the temperature increased. Speaking of which, the first thing I did was put my finger over the probe, then cup the rest of my hand around the Pyramid. Normal body temperature is 37C, which is 5C above the point at which the device is supposed to start ringing. Yet after holding my finger there for almost five minutes, aside from a speed increase in all fans I got no alarm. Now I am aware that this is more of an air probe and not a surface one, so I'll hold off on the verdict until a little later. But if anything, the fans did speed up (as evident by the Cyber Cooler's lights) so although not as sensitive as claimed, it does work to a degree.
So I ended up turning it to high (at a distance of about two inches from the apex), which was way above 32. At this point it took about 10 seconds before the LED shut down and the buzzer let out a very annoying whine which continued for a few seconds after I turned off the fan and the temperatures settled. While the alarm does work, it does so at a very high temperature, and if the air inside your case was that high everything would have been fried long ago. Not good. Measuring RPMs was even more entertaining.
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| Last Updated ( Friday, 15 June 2007 ) |
