Connects to the physical power button on your case. This is the most critical connection; without it, the PC will not turn on.
The header typically follows a standard layout where the top row has 4 pins and the bottom row has 5 pins (one pin is "missing" or "keyed" for orientation) Description Lights up when the PC is on. Pin 1 (+), Pin 2 (-) The main power button on your case. Not sensitive Bottom 1 & 2 Flashes when the hard drive is active. Pin 1 (+), Pin 2 (-) Bottom 3 & 4 The reset button on your case. Not sensitive No connection (used for orientation). Connection Tips Identify Pin 1 foxconn n15235 motherboard front panel connectors
In the world of PC building and repair, the motherboard is the central nervous system, but the front panel connectors are its most tactile interface. For users working with the —a motherboard commonly found in OEM systems like Acer Aspire desktops (e.g., the M3800 or M5810 series) and other pre-built computers from the late 2000s and early 2010s—connecting the power button, reset switch, and indicator LEDs can be a surprisingly delicate task. Unlike the standardized, color-coded front panel headers found on many retail motherboards, the N15235 often presents a unique pinout that demands careful attention to datasheets and visual inspection. Connects to the physical power button on your case
To rule out a broken case button, unplug the Power SW cable. Take a flathead screwdriver and carefully touch both Pin 6 and Pin 8 at the same time for one second. If the fans spin up and the system boots, your motherboard is working fine, but your case's physical power button or cable is broken. Pin 1 (+), Pin 2 (-) The main power button on your case
Before plugging anything in, you must find the correct header on the motherboard surface. and unplug the power supply from the wall. Open the side panel of your computer case. Look at the bottom-right corner of the motherboard.