The Acer H61H2AD motherboard has the following specifications:
If you meant something else by "manual top" (e.g., a specific section in a manual), please provide more context, and I can narrow it down further. acer h61h2ad manual top
Double-check the service guide, as some Acer boards use a proprietary 14-pin header. a specific section in a manual)
2x USB 2.0 internal headers (supporting 4 additional ports). Audio: 1x Front Panel Audio header. please provide more context