While there is no single "all-in-one" official PDF manual for the Acer Q65H2-AM v1.1
Without the manual, troubleshooting is a nightmare. Here are fixes for frequent issues reported by users of the Q65H2-AM. acer q65h2-am v1.1 manual
If you are locked out of BIOS or the system fails to POST: While there is no single "all-in-one" official PDF
If you need a physical PDF, search for "Acer Veriton M2611 Service Guide" rather than the motherboard model number alone. The motherboard section inside that guide covers the Q65H2-AM v1.1. Not a jumper, but a two-pin header