Quote:
Originally Posted by misterd  Okay since nobody believes me that this is 100% not software, it still does it with the hard drive & optical drive unplugged.. Only thing left plugged in are the PNY Quadro FX4500, x2 3800+ 2 sticks of OCZ ram, DFI Lanparty motherboard and the power supply. As soon as power is applied to the PSU all fans spin full speed. Pressing the power button on the motherboard or shorting the power switch pins results in the fans spinning down to normal speeds, and the system posts. Does this make sense? Sure as heck doesn't to me. |
No it doesn't, but its the bios that control the power on pins, not the power supply.
from what you describe its sounds like the 'software' in the bios is working or at least doing something.
fyi,
When you first apply voltage to a mother board the CPU gets a Hard reset and
starts fetching instructions from the bios, and starts initializing the I/O etc.
So your bios is running, and controlling the boards I/Os since it can detect the power on pins and spin
the fans down, likely based on internal temp readings.
I think a crap PSU might do what your saying but would also result in a non post.