I have a lab of machines all based on GA-6BA motherboards with Cel466's. I've been having problems with them lately. I opened one up and saw that the CPU fan stops spinning as soon as Windows starts loading (the bit where the desktop colour shows). It's dead until just before the machine shuts down.
Somewhere along the line, a driver or something is stopping the fan. How do I stop this? I installed the Win2K SP2 Rollup package (the pre-SP3 service release) and this didn't solve anything. The INF updates from the Gigabyte site didn't install because "your OS supports all your devices".