However, there is no beep when the computer boots
First and most obvious question: are you sure you properly connected the case speaker plug to the MOBO's front panel header? Do you have a case speaker? A lot of people operate under the misaprehension that the 'diagnostic beeps' should
come through the speakers attached to their sound-card/chip - not
so! Your three hundred dollar Altec-Lansings won't do you any good here - you have to have a case speaker attached to the front panel header...
and no LED on the MB
There are no
that motherboard, that I am aware of...