When looking at the header with the CPU at the top and the bottom edge of the board facing you, the pins are laid out in two horizontal rows:
When swapping to a modern aftermarket computer case, you will be met with separate 2-pin female connectors. Wire them to the individual header pins using the configuration below: Pin Number Function / Label Polarity / Note Hard Drive Activity LED (HDD_LED) Positive (+) Pin 2 Power Indicator LED (PWR_LED) Positive (+) Pin 3 Hard Drive Activity LED (HDD_LED) Negative (-) Pin 4 Power Indicator LED (PWR_LED) Negative (-) Pin 5 Reset Switch (RESET_SW) No Polarity Pin 6 Power Switch (PWR_SW) No Polarity Pin 7 Reset Switch (RESET_SW) No Polarity Pin 8 Power Switch (PWR_SW) No Polarity Pin 9 Unused / Reserved Ground / Empty Pin 10 Key Pin Physically Missing Pin 11 Unused / Reserved Ground / Empty Pin 12 Local Network LED (LAN_LED) Positive (+) (Rarely used in custom builds) Pin 13 Unused / Reserved Ground / Empty Pin 14 Local Network LED (LAN_LED) Negative (-) Step-by-Step Connection Instructions acer ipisb-vr rev 1.01 front panel
: The row of pins closest to the PCIe sockets and CPU (the upper row). When looking at the header with the CPU
Acer IPISB-VR Rev 1.01 motherboard, commonly found in the Acer Aspire M3970 and Gateway DX4860, uses a standard but sometimes unlabeled front panel header. Use the following pinout to connect your case cables correctly. Front Panel Header Pinout Use the following pinout to connect your case