The front panel header on the Acer IPISB-VR Rev 1.01 motherboard is typically used to connect the system's power button, reset button, LED indicators, and other front panel interfaces. The pinout for the front panel header is as follows:
The Acer IPISB-VR Rev 1.01 is an OEM (Original Equipment Manufacturer) board, meaning it was designed specifically for Acer to be used in their pre-built desktops, such as the Aspire M1939, Aspire M3970, and Gateway DX4860.
is empty (no physical pin present), serving as the structural alignment key. Row Position Pin Number Assigned Function Polarity Requirement Bottom / Inner Row HDD LED Positive (+) Polarized (Must match) Bottom / Inner Row HDD LED Negative (-) Polarized (Must match) Bottom / Inner Row Reset Switch Non-Polarized (Orientation free) Bottom / Inner Row Reset Switch Non-Polarized (Orientation free) Top / Outer Row Power LED Positive (+) Polarized (Must match) Top / Outer Row Power LED Negative (-) Polarized (Must match) Top / Outer Row Power Switch (PWR_SW) Non-Polarized (Orientation free) Top / Outer Row Power Switch (PWR_SW) Non-Polarized (Orientation free) No Pin (Key Blank)
The Acer IPISB-VR Rev 1.01 front panel header Go to product viewer dialog for this item. acer ipisb-vr rev 1.01 front panel
: Power down your PC completely. Unplug the power cord from the power supply . This is a crucial safety step.
The front panel header is typically a 14-pin block found at the bottom-right corner of the motherboard. The pins are usually arranged in two rows: the (odd numbers 1, 3, 5, 7, etc.) and the top row (even numbers 2, 4, 6, 8, etc.). Pin Numbers HDD LED 1 (+) & 3 (-) Lights up during drive activity Power LED 2 (+) & 4 (-) Indicates if the system is powered on Reset Switch Restarts the PC; polarity does not matter Power Switch Turns the PC on/off; polarity does not matter LAN LED Indicates network activity (if supported by case)
Double-check that your Power SW connector is securely seated on . The front panel header on the Acer IPISB-VR Rev 1
The IPISB-VR is an Original Equipment Manufacturer (OEM) board, meaning Acer built it specifically for pre-assembled computers like the and Acer Aspire M3970 . Consequently, a standard, publicly available manual is practically impossible to find from Acer, as you might have discovered. This guide solves that problem by consolidating information from various community sources.
The maps out as a proprietary 14-pin layout, with Pins 6 and 8 handling the crucial Power Switch (Power SW) function . This LGA 1155 motherboard—originally manufactured by Pegatron and widely deployed across OEM machines like the Acer Aspire M3970, M3970G, and Gateway DX4860 —is highly sought after for budget PC cases upgrades. However, because Acer uses a non-standard unified front panel connector, transferring this board into a standard aftermarket PC case leaves many builders stranded without a clear manual. The Complete Pinout Diagram
If you are putting the IPISB-VR into a standard aftermarket case, the connectors might not match the 14-pin layout. You may need to remove the small connector pins from the plastic connector casing (using a needle) and reassign them individually to the pins mentioned above. Summary Table Pin Layout (14-pin block) HDD LED- P LED+ P LED- Reset Any direction Pwr Switch Any direction This is a crucial safety step
: For the HDD LED and Power LED , the positive (+) and negative (-) wires must match the pins exactly or they will not light up.
This behavior indicates a short circuit or an unseated component.
Master Guide to the Acer IPISB-VR Rev 1.01 Front Panel Header Pinout
: Connect across Pin 12 and Pin 14 if your custom case provides an ethernet activity light. Troubleshooting Common Installation Issues 1. The Computer Won't Power On At All
: If your case lights don't turn on, try flipping the connector. Unlike switches, LEDs only work when the positive and negative leads are correctly aligned. Proprietary Hurdles