Boardview file in BRD format for a board coded UM3B-MB-E. The name gives no brand or model, and the MB-E ending likely marks the board revision.

Quanta UM3B schematic in PDF form, about 2.9 MB, with no brand, model, board number or revision in the name.

Repair archive for the Quanta UM3B motherboard, a 2.97 MB RAR whose name gives no indication of the document type inside.

Dell 1464 documentation built around the Quanta UM6B board, with a UM3B Core i3 reference also in the name, packed as a 1.15 MB RAR.

Schematic for Quanta project UM3B, a 2.94 MB PDF. The file name gives only the project code and no brand, model, board number or revision, so identification has to come…

Repair archive for the Dell Inspiron 1464 built on the Quanta UM3B and UM6B platform, board number DAUM3BMB6E0, compressed to 1.20 MB.

RAR archive of 2.97 MB for the Quanta UM3B motherboard project, with no stated laptop brand, model or revision and no indication of the document type.

Archive for a Dell 1464 laptop with a Quanta-built board, referencing UM6B and UM3B project codes and a Core i3 configuration.

Archive for Dell Inspiron 1464, 1564 and 1764 laptops covering Quanta boards UM3B and UM6B in the UMA variant, meaning integrated graphics, revision 1C.