Indexed as a schematic, this 145 KB PDF is named 303CNQ and nothing more, with no laptop model, board number or revision.

A 121 KB PDF indexed as a schematic, named 300HFU-100. Apart from that code and its dash suffix, there is no brand, laptop model or board revision.

Part-code document named 30CLJQ100, a 51.5 KB PDF that the index lists as a schematic. The name gives no laptop model, board number or revision, only the component…

Datasheet-style PDF named 30BQ100, 102 KB, catalogued under schematics. The name carries just a semiconductor part number and no information about a laptop, board or…

A small 38.8 KB PDF titled 30WQ09F, catalogued among schematics but most plausibly a datasheet for a discrete rectifier, judging by the part-number style.

PDF of 96.4 KB labelled 30CTQ060L, a part-number style name that points to a component datasheet rather than a laptop or motherboard schematic.

A small PDF filed as a schematic, named only 30FQ, which reads like a component part number rather than a board or laptop model.

Datasheet for the AO3401 P-channel MOSFET, the name stating minus 30 V and minus 4 A ratings, filed under schematics as a 498 KB PDF.

Schematic for the Lenovo 3000 K40 and K41A, Compal projects IGT10 and IGT11, board LA-3451P revision 0.1, compressed as a 1.10 MB 7z archive.

Filed under schematics, this PDF of 309 KB is named only after the 24C64 part number, so it is most likely the datasheet for a 64 Kbit (8 KB) serial EEPROM on the I2C…

Schematic for the Quanta PS2A laptop motherboard, revision C, as a 3.30 MB PDF. PS2A belongs to Quanta's PS-Note project family, though the laptop brand and model are…

Schematic for the ASUS F82 laptop, provided as a PDF inside a 1.30 MB RAR archive. The name gives no board revision, so check the revision listed on the first page…

Schematic PDF for the Acer Aspire 5943G laptop, based on the Compal LA-5981P motherboard, revision 1.A.

Schematic for the PH317-53 laptop board code-named COVINI, dated 20190213-2, provided as a PDF inside a 3.3 MB RAR archive.