Acer H61h2-ad - Motherboard Manual

That’s where he found the box.

There is no official single “H61H2-AD Motherboard Manual” published by Acer. The information is distributed across chassis-specific service guides. The good news is that the board is standard enough that the details below cover 99% of what you need. Acer H61h2-ad Motherboard Manual

This is where the "Budget" nature of the H61 chipset shows: That’s where he found the box