Intel /21 B6E1E2 Mobo w/Intel i5-2488 3.1 GHz SP00Q w/Fan & Heatsink & Backplate
If the code persists after steps 1-5 and you have confirmed the board model from Part 4, the chipset (southbridge) may have failed – a common issue on H61 boards after 10+ years of use. intel desktop board 21 b6 e1 e2 specification link