The MCP73T-AD uses a Phoenix-Award BIOS. Enter it by pressing or F2 repeatedly during boot. Here are the critical settings you need:
While specific board markings may vary, Acer/ECS boards of this era typically use a 14-pin or 10-pin header. A common layout for this series includes: Super User : HDD LED (Orange/Red + and White -) : Power LED (Green + and White -) : Power Switch (Blue + and White -) Official Documentation Links Schematic Diagram : A technical REV-B schematic is available on Generic User Guide acer mcp73t-ad motherboard manual