If the PC beeps and won't boot, try using only one stick of DDR3 RAM in the first slot.
USB 3.0, USB 2.0, VGA, DVI, RJ45 Ethernet, and HD Audio jacks. Front Panel Header Pinout (F_PANEL) acer+h81h3am+v10+manual+free
If you need a specific diagram for the or USB 2.0 headers , If the PC beeps and won't boot, try
Because this is an OEM board, you will not find BIOS updates on the ECS website. You must source them directly from the Acer Support portal. Visit the Acer Support Website . Because this is an OEM board
LGA 1150 (Supports Intel 4th Gen Haswell Core i3/i5/i7, Pentium, and Celeron). Chipset: Intel H81 Express.