Once you have the real model name (e.g., G31MXP ), you can find technical documents on these repositories: Foxconn N15235 Motherboard / Video Card

N15235 Acer Foxconn G31MXP LGA775 Intel G31 + ICH7 Chipset Motherboard supports Core 2 Quad/Duo, Pentium Dual-Core, Celeron CPUs * www.orangehardwares.com

"Stop looking for the date '2021'," Sam said. "If the board has that specific RoHS sticker, it’s likely a much older board, probably a Socket 775 era board running DDR2 or DDR3 memory. You need the actual model name."

If you are unable to open the PDF right now, here are the standard specifications for the motherboard usually associated with the N15235 marking.

Use this exact Google search string to filter results: "N15235" AND ("jumper" OR "header" OR "pinout") filetype:pdf

Since most boards with this marking are legacy hardware, they typically follow these general specifications: Tom's Hardwarehttps://forums.tomshardware.com Foxconn N15235 CPUs Supported? - Tom's Hardware Forum