PDF of about 179 KB for the 2SD2531, filed as a schematic but probably the component datasheet.

A 173 KB PDF covering the 2SD2386, an NPN bipolar transistor by its JIS 2SD designation, listed in the schematic section.

Document for the 2SK2493 field-effect transistor in PDF form, 384 KB, listed under schematics in the catalogue.

Reference sheet for the 2SK2382, a 412 KB PDF placed under schematics, though the JIS-format number marks it as a datasheet for an N-channel FET.

Covering the 2SK2095N N-channel field-effect transistor, this 128 KB PDF is catalogued under schematics but is presumably a datasheet.

A 109 KB PDF for the 2SK1439, filed with schematics but most likely the manufacturer's data sheet for this transistor. The JIS 2SK prefix denotes an N-channel FET.

2SC4579 datasheet candidate in PDF form, 102 KB, categorised as a schematic. The name follows the JIS convention in which 2SC denotes an NPN bipolar transistor for…

Datasheet candidate for the 2SC4455 transistor, a 100 KB PDF although filed with schematics.

The smaller 77.9 KB PDF here carries the type number 2SC4449, indexed as a schematic but almost certainly a component datasheet.

Reference PDF, 106 KB, for the transistor numbered 2SC4407. The 2SC prefix follows the Japanese JIS standard for NPN bipolar transistors, indicating datasheet content…

Small 28.7 KB PDF for the 2SC5699 transistor. Per JIS convention, the 2SC prefix identifies an NPN bipolar device, so the file is likely a short datasheet.

At 109 KB, this PDF is named after the transistor 2SC5047. It is catalogued as a schematic, but the JIS 2SC prefix indicates an NPN bipolar part, so it is best read as a…

Specification sheet for the JIS-designated 2SC3952 NPN bipolar transistor, provided as a 41.0 KB PDF and filed with schematics.

Datasheet-type PDF for the 2SC3912, sized at 30.2 KB. The part number follows the JIS standard, where 2SC identifies an NPN bipolar transistor; the name offers no…

The 2SC3901 transistor is documented in this 88.3 KB PDF. Following the JIS convention, the 2SC prefix denotes an NPN bipolar device, so the file is most plausibly its…

PDF of 214 KB for the 2SC3328, an NPN bipolar transistor under the JIS naming system, catalogued here as a schematic though the content is likely a datasheet.

A 267 KB PDF for the 2SC3113, catalogued as a schematic but by its name most likely a component datasheet.

PDF document, 89.4 KB, named for the 2SA1503 and filed under schematics, though it is most likely a transistor data sheet.

Component data for the 2SA1480 in a 176 KB PDF, which the index lists as a schematic. By the JIS convention, 2SA marks a PNP transistor.

Covering the 2SA1422 transistor, this PDF weighs 91.8 KB, close to the 2SA1423 file, which suggests a similar document format.

The 2SA1405 transistor is described in this 124 KB PDF, listed under the schematic type. Its JIS designation places it among PNP parts for high-frequency use.

The 2SA1934 is documented in this 237 KB PDF, filed under schematics although the name carries only a component code.

An 87.4 KB PDF describing the 2SA1839 transistor, indexed with the schematic files. Following JIS numbering, the 2SA designation indicates a PNP bipolar transistor.

Indexed as a schematic, this 45.3 KB PDF is in fact named after the 2SA1738, a PNP bipolar transistor under JIS numbering, so it serves as the component datasheet.

Datasheet-type PDF for the 2N4410, 294 KB, catalogued in the schematic section with no maker or revision given in the name.

Shared PDF covering the 2N4400 and 2N4401, 48.6 KB, sorted into the schematic category but most likely a combined manufacturer datasheet.

BIOS firmware archive identified only by the version code L7CN25WW. The xxCNxxWW pattern resembles Lenovo BIOS naming, but the name gives no model or motherboard, so the…

Firmware image of 4.00 MB in .bin format, named only 630, giving no brand, motherboard number or variant. The size corresponds to a 32 Mbit SPI flash chip.

32 MB binary named after U367, which is likely the reference designator of the flash chip on the source board.

Dump of 4 MB from a 25VF032B-type serial flash, the PCT-branded equivalent of the SST 32 Mbit part, read in February 2019. The name does not reveal the laptop or board.

4 MB dump read from a Winbond W25Q32 SPI flash, carrying only the chip name and a February 2019 timestamp. There is no indication of the laptop, brand or board number.

Datasheet for the SN74123N, a dual retriggerable monostable multivibrator with clear, in a plastic DIP package, provided as a 27.5 KB PDF.

Firmware file named MBPNDBU144-0920 in a 3.53 MB RAR archive, sold as a BIOS image. The name has no brand, model or board revision, and the code cannot be decoded with…

Repair guide PDF for the ASUS X540UP laptop, 790 KB, catalogued with schematics. ASUS repair guides usually cover the power-on sequence, key voltage rails, block…

ASUS Maximus VI Impact boardview, revision 1.02A, supplied as an .FZ file inside a RAR archive.

Photo archive for the X421FL motherboard, revision 2.0, in its discrete-graphics version, packed as a 21.5 MB ZIP.

BIOS file named PMG41, 1 MB. The name most likely refers to a motherboard built on Intel's G41 chipset, a desktop platform for Core 2 processors, though the board maker…

ASUS BIOS file for the K40IJ laptop. The .204 extension denotes firmware version 204, following the ASUS convention of putting the version in the extension.

Boardview for the ASUS X505BP laptop mainboard, revision 2.0, in a compact ZIP archive.

BIOS dump for the Toshiba Satellite L850 on Inventec board DK10FG, 6050A2491301, revision MB-A03. Inventec manufactured this board, and the 6050A code is printed on it.