Since "N15235" is generic, you must find the actual model number (e.g., Go to product viewer dialog for this item. , G31MXP, or 915GV) to find the correct manual.
While exact specs vary by model, most boards bearing this code from that era share these features: Foxconn N15235 Motherboard Manual Pdf
The most common reason people need the manual is to connect the case wires. The N15235 uses a standard 9-pin header (F_PANEL). Without the manual, you short the wrong pins. The correct pinout is usually: Since "N15235" is generic, you must find the
Check the BIOS: When you boot the PC, the model string often appears on the splash screen. Locating the Front Panel Header (FP1): Without the
Socket Types: Typically LGA 775 (Intel Core 2 Duo/Quad) or LGA 1155 (Intel 2nd/3rd Gen). Memory: Most use Dual Channel DDR2 or DDR3 DIMM slots.
Connector Schematics: Diagrams for the front panel headers, USB, and audio pins.