Gigabyte GA-945GCM-S2L desktop motherboard schematic, board revision 1.02, in a 1.57 MB PDF.

Desktop motherboard schematic for a G41M-Combo board, revision R14, about 731 KB. The G41 in the name points to an Intel G41 chipset design, and the Combo naming…

Gigabyte GA-G41MT-S2PT desktop motherboard schematic, revision 1.0 per the R10 token, a compact 425 KB PDF. The board is based on the Intel G41 chipset.

Gigabyte GA-H61M-DS2 desktop motherboard schematic, revision 4.0, supplied as a 589 KB PDF. The H61M naming points to an Intel H61 chipset micro-ATX board.

Schematic PDF of 982 KB for the Biostar G41D3C desktop motherboard, catalogued under the ECS brand.

Gigabyte GA-H55M-S2 desktop motherboard schematic for revision 1.3, a micro-ATX board built on the Intel H55 chipset.

Desktop motherboard schematic for a G31T-LS board, version 1.0, in PDF format. The name points to an Intel G31 chipset design but gives no manufacturer, so check the…

ECS G31T-M7 desktop motherboard schematic, revision 1.0, around 1 MB in PDF form. The G31 in the name points to the Intel G31 chipset.

Gigabyte GA-G41MT-S2PT desktop motherboard document, revision 2.1, filed as a schematic in PDF. The G41 refers to the Intel chipset family the board is built around.

Gigabyte GA-H61M-S1 motherboard boardview in PDF form, revision 2.2, as the BV marking in the name shows.

Boardview in PDF form, marked BV, for an H61M-S1 motherboard at revision 3.0; the brand is not stated, though the naming matches Gigabyte desktop boards.