Manual [portable] — Rc415tam Motherboard

: Ensure the 4-pin ATX12V auxiliary power cable is connected; without it, the CPU will not receive power.

: If using a dedicated GPU, ensure the monitor is plugged into the card, not the onboard VGA port. ECS RC415T-AM - The Retro Web rc415tam motherboard manual

: Accessible by pressing F1 or Delete during startup. This is essential for installing operating systems from USB or CD-ROM. 4. Driver Installation : Ensure the 4-pin ATX12V auxiliary power cable