EG31M v.1.0 motherboard (often found in Acer Veriton M460 Aspire M5630 desktops) is based on the Intel G31 Express
Even though this motherboard is not officially supported on Windows 10/11, users report success when installing drivers in a specific order. acer eg31m v.1.0 motherboard drivers
Most EG31M v1.0 boards ship with a locked Acer BIOS (no overclocking, limited boot order). However, pressing at boot (on some revisions) reveals an “Advanced Chipset Features” menu, allowing limited memory timing adjustments—hidden power for a $20 eBay board. EG31M v