Laptop schematic named X51RL, supplied as a 2.57 MB PDF. No brand, board number or revision is stated in the name, so confirm these on the drawing itself.

Quanta ZQG schematic covering the Acer Aspire 4253, revision 1A, in a 1.30 MB PDF. Quanta identifies its designs with short project codes, and the mainboard normally…

HP desktop BIOS from an 8000 series system, family code 786G7, version 01.02, 4.00 MB .rom.

Firmware package for the K52JB laptop, the AS208 tag most likely being BIOS version 208, stored as a 1.23 MB zip.

BIOS package for the K52JK laptop in a 1.23 MB zip, the AS208 tag most likely being firmware version 208.

BIOS dump of 1.00 MB for the Compaq CQ40, configuration 121TU. The name ends in the token 30F7F664, which looks like a checksum or identifier, though its meaning is not…

BIOS dump that the name ties to the HP Pavilion dv9500 series, with a trailing 2 that likely marks a second copy or variant.

Microchip family datasheet for the PIC18Fxx2 group, a 5.74 MB PDF covering several PIC18 microcontrollers that share one architecture, with the xx standing for the…

Datasheet for the DAC0800, an 8-bit high-speed current-output digital-to-analog converter originally from National Semiconductor.

XR2206 datasheet in PDF, the Exar monolithic function generator IC widely used in kit signal generators for sine, square, triangle and ramp outputs.

RAR archive of 2.97 MB labelled PA HM65 version 5.21, pointing to firmware for a board built on the Intel HM65 chipset, used in second-generation Core laptops.

Firmware package for the ZEED4 receiver, version V8.29 dated 26 October 2021, in an 11.5 MB zip.

8 MB BIOS binary named after a board or project called Lapis, revision A. No brand or full board number is given, so the exact target is uncertain.

Schematic document in PDF, 1.24 MB, for the SM6225 processor, with an appended SM62 family tag. No phone model or board revision appears in the name.

Archive of 9.13 MB whose name suggests an output BIOS image marked as working, with 1BKL2J3 in brackets, which looks like a Dell service tag although the name does not…

Archive of 1.05 MB in RAR format labelled FA808UH with an RTX 5050 GPU variant. Only the model code and graphics chip are given, so the precise contents are unknown…

Datasheet in PDF form, 74.1 KB, for the 2SD1853 transistor from the Japanese 2SD family of NPN bipolar parts, filed here as a schematic.

Datasheet for the 2SD2650 transistor, a 29.7 KB PDF filed in the schematic category. The file name states the part number and nothing else.

Datasheet for part 5LP01SP in PDF form, about 28.1 KB, indexed as a schematic. The file name states only the part code; the LP letters appear to denote a P-channel…

A 27.0 KB PDF bearing the part code 5LN01SS, stored in the schematic category. The name carries no other information; the LN letters in this family seem to mark the…

Datasheet for the 5LN01SP in PDF format, roughly 28.0 KB, indexed as a schematic. Only the part number is stated; LN in this series appears to denote an N-channel…

PDF of roughly 41 KB for the component coded 5HP02SP, catalogued as a schematic though the name points to a single semiconductor part.

A 40.6 KB PDF for the component 5HN02C. Although classed as a schematic, the file name contains just a part code, with C probably denoting the package, and states no…

Family datasheet spanning the 4N29 through 4N33 optocouplers, a 157 KB PDF listed in the schematic category.

PDF specification of about 78 KB for the 2SD1799 NPN transistor, named in the Japanese 2SD series and companion in numbering to the neighbouring 2SD1800 sheet.

Labelled 2SD2526, this 192 KB PDF contains reference data for a Japanese-coded transistor rather than a device-level circuit.

For the 2SD2499 transistor, this 269 KB PDF provides component-level data despite its schematic category.

This datasheet PDF of 179 KB covers the 2SD2480 transistor and contains no further detail in its name.

Named for the 2SD2462, this 184 KB PDF is effectively a datasheet for a Japanese-registered transistor.

A 100 KB PDF for the 2SD1685, categorised as a schematic but named in the manner of a single-part datasheet.

Covering the 2SD1668, this 104 KB PDF is listed as a schematic, though the name is a discrete transistor code.

Reference PDF for the 2SD1882, a JIS-registered Japanese semiconductor, filed in the index under schematics although it is most likely a component datasheet.

Datasheet-style PDF for the 3SK264, roughly 82.2 KB, indexed as a schematic. The name contains only the type number.

PDF for the 2SD1992A NPN transistor, indexed as a schematic though the name points to a part datasheet.

A 42.5 KB PDF describing the 2SK3293, listed among schematics but serving as a component datasheet.

A compact 30.1 KB PDF for the 2SK2682LS. The base 2SK2682 follows JIS numbering for N-channel field-effect transistors, while the LS suffix marks a variant, often a…

Datasheet-style PDF of 27.2 KB for the 2SK2682, a JIS-designated N-channel FET; it is listed under schematics but describes a single component.

Specification PDF of 34.9 KB for the 2sk2577, grouped under schematics although the name is a plain part number.

A 410 KB PDF describing the 2SK2542, a JIS-numbered part where 2SK signifies an N-channel FET.

A 316 KB PDF dedicated to the 2SK2401, sorted under schematics but most likely a part datasheet given its JIS-format number; 2SK designates an N-channel FET.