Observe Polarity: For switches (Power and Reset), polarity does not matter. You can plug them in either way. For LEDs, the positive (+) wire (usually colored) must go to the positive pin, and the negative (-) wire (usually white or black) must go to the negative pin.
The pins are generally numbered from left to right, with the top row being even and the bottom row being odd. Polarity/Notes Pin 1 (+), Pin 3 (-) Power LED Pin 2 (+), Pin 4 (-) Reset Switch No polarity required Power Switch No polarity required Key/Missing Pin Empty/No pin Reserved LAN LED Often used for network activity Important Installation Tips front panel pin order Acer IPISB-VR motherboard acer ipisb-vr rev 1.01 front panel
Plug the POWER LED (+ / -) into pins 2 and 4 . Observe Polarity: For switches (Power and Reset), polarity
: Because Acer uses an OEM (Original Equipment Manufacturer) design, their front panel cables are often a single solid block. If you are moving this motherboard to a new "aftermarket" case, you may need to plug in individual 2-pin cables for each function. moving this board to a new case , or just trying to fix a loose wire in the original Acer tower? Front panel pin installation, help! - Acer Community The pins are generally numbered from left to