Gigabyte GA-H77-DS3H motherboard schematic marked R101, most likely revision 1.01, delivered as a PDF inside an 813 KB RAR.

Schematic in PDF for the Gigabyte GA-H77-DS3H motherboard at revision 1.1, packed in a RAR archive of 950 KB.

PDF circuit diagram for the Gigabyte GA-H77-DS3H motherboard, labelled R102, which likely denotes board revision 1.02, provided as a 1.59 MB RAR archive.

Gigabyte GA-H77-DS3H schematic for revision 1.2, a PDF inside an 802 KB RAR. With it a technician can trace the power path from the ATX connector through the VRM, check…

Schematic in PDF for the Gigabyte GA-H77-DS3H at revision 1.1, stored as an 817 KB RAR archive and possibly a different copy of another R11 file.