Here is the full story behind the motherboard, specifically focusing on the infamous Front Panel connection issue.
: For the HDD LED and Power LED , the positive (+) and negative (-) wires must match the pins exactly or they will not light up. acer ipisb-vr rev 1.01 front panel
This meant you couldn't just unplug a "Power Switch" connector. You had to cut the wires or trace the circuitry on that front PCB to extract the switch leads to connect them to a standard case. This is why so many builders gave up and bought a generic "Power Switch Extender" cable just to boot the board. Here is the full story behind the motherboard,
: This is the most common point of confusion due to polarity. Connect the positive (+) wire to Pin 1 and the negative (-) wire to Pin 3 . You had to cut the wires or trace