OEM boards are different from retail boards (like those you buy from ASUS or MSI). Retail boards follow standard layouts. OEM boards are built specifically for the case they come in.
Because this board is dual-purpose (OEM and retail standards), ensure no extra brass standoffs are touching the back of the PCB under the front panel area. acer ipisb-vr rev 1.01 front panel
A major part of the "full story" is the Front Panel USB/Audio/Card Reader assembly. On many Acer Aspire cases, the front panel buttons were not separate wires. They were integrated into a PCB that also housed the USB ports and card reader. OEM boards are different from retail boards (like
or arrow on the back of the plastic connector to identify the positive wire. Because this board is dual-purpose (OEM and retail
Standard aftermarket cases use individual 2-pin or 1-pin female connectors for the Power Switch (PWR_SW), Reset Switch (RST_SW), Power LED (PWR_LED), and Hard Drive Activity LED (HDD_LED). To hook these up, you must map them to the corresponding pins on the motherboard. The Acer IPISB-VR Rev 1.01 Pinout Diagram
If you are reading this, you likely hold a green or blue circuit board in your hand. It’s the , a motherboard that shipped inside famous pre-built desktops like the Acer Aspire M3970, M1470, and the Predator G3620. While this board is based on the Intel H61 Express chipset (supporting Sandy Bridge and Ivy Bridge CPUs), it has a notorious reputation for one specific headache: the front panel header .
Identify the tiny connectors labeled PWR SW (Power), RESET SW , HDD LED , and P LED (Power LED).