No. Those labels are not what we are looking for. I am talking about the header itself. Printed on the motherboard, in tiny print around the header will, or should be identifying marks for the pins. I don't mean paper labels attached to the board, but printed text on the board that labels devices and pins.
I can't find that model number - Belarc Advisor
may help there, just don't paste the report as it contains information about your computer others don't need to see. Your model number did take me to this ECS motherboard
that I suspect is similar.
Note on page 10, this picture:
and note the location of the front panel header in the lower right, called Panel 1. Then on page 12, you will see this illustration explaining the pin-outs:
. Use them to determine which is which.