May. 21st, 2007

melstav: (Default)
I recently installed a new (refurbed) IBM NetVista computer here at the office. We decided we wanted more RAM in that box, so I ordered another stick for it, (the description lied - it came with one 512MB stick instead of two 256MB sticks) which got here this morning.

I installed the RAM, and left the case off when I turned it back on.

Everything looks normal when I turn on the system.... and then both the CPU fan and the system case fan stop spinning while Windows is booting. When I shut down the computer, just before the system turns itself off, the fans start spinning again, briefly.

This behaviour is 100% repeatable.

My assumption is that the system is configured to look at the temperature sensors, and as long as the temps are below a certain point, it keeps the fans turned off to minimize system noise.

The system has been on and (mostly) idle for a couple hours now, with the cover off. I've been going in every so often and touching the CPU heatsink (after grounding myself to the case) to check the temperature. It's only slightly warm to the touch.

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melstav: (Default)
melstav

March 2015

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