Acer H81h3-am V1.0 | Manual |link|

For more specific troubleshooting or visual diagrams, you can refer to the ECS H81H3-I/DVI manual which shares the core H81 architecture and BIOS interface. pinout diagram for the front panel connectors or a guide on flashing the BIOS How to Clear the CMOS - Reset the BIOS & Why

Acer H81H3-AM V1.0 " is a proprietary motherboard manufactured by for Acer, designed primarily for 4th Generation Intel Haswell processors . It was commonly found in Acer Veriton desktop models like the Veriton X2631G. Acer H81h3-am V1.0 Manual