You might get more help in the Tech Support Forum.
However, if all you're wondering about is the fans speeding up... reason being is that even at the menu, the system is operating at higher than normal rates... especially an older system like what you're describing. Windows Detects this, Bios detects this, system fans speed up. It's just the way it's built. Many motherboards have a Cool & Quiet feature of sorts that allows the motherboard to control the fan speeds itself, as seems evident with yours, however with this feature turned off, the fans will stay at maximum speed without slowing down. Ever.
So it's pretty much that you either deal with the noisy fans, or take them out and possibly overheat the system.