Lenovo 3000 N220 and N440 archive marked Wistron, with a trailing A that may indicate a variant or revision, though the name does not explain it.

RAR archive of about 730 KB for the IBM ThinkPad R52 UMA variant, UMA indicating integrated graphics sharing system memory rather than a discrete GPU.

Mainboard schematic labelled 1000HE MB, a 696 KB PDF; the name gives only the model code, with MB indicating the motherboard, and no brand or revision is stated.

Quanta AT1 notebook motherboard circuit diagram, revision RMV, in a PDF of roughly 1.27 MB, the third copy of this document in the index.

RAR archive with firmware for the Acer Aspire E1-572G based on the Compal LA-9531P motherboard, with the name also mentioning the V5WE2 platform code.

BIOS archive for the Asus K42De laptop; the as210 ending likely indicates BIOS version 210.

BIOS dump for the HP ProBook 4540, misspelled in the name, as an 8 MB raw binary. The name marks it as 100 percent OK, indicating the uploader tested it working, though…

HP Envy M6 BIOS firmware packed in a 2.28 MB RAR archive, marked asli, an Indonesian word for original, implying an untouched dump from a working unit.

Original BIOS image for the HP Pavilion dv4-2045dx, marked asli, an Indonesian word for original, in a 961 KB RAR archive.

Compressed firmware package of about 1.54 MB for the ASUS N53JN laptop, with the trailing token likely indicating BIOS version 205, though that reading is not certain.

Datasheet for the TSOP12XX series of infrared receiver modules, 108 KB PDF. These modules integrate a photodiode, preamplifier and demodulator, and the last digits of…

Boardview for an ASUS GTX650 graphics card in the 1 GB GDDR5 configuration, as indicated by the 1GD5 token.

RAR archive for the Gigabyte GV-RX590 GME-8GD graphics card, revision 1.0, judging by Gigabyte's GV model naming; the brand is not stated separately.

Reference sheet in PDF for the RJH60F7, an IGBT the file name rates at 50 A and 600 V. Devices of this type turn up in induction heating appliances, inverter welders and…

PDF for the CEP540N transistor, with the name noting 100 V and 36 A ratings, about 626 KB in size.

Datasheet for the BC328 PNP transistor in PDF format, 53.5 KB, the same size as the combined BC327 and BC328 sheet in this index.

A 116 KB PDF associated with the 2SD2284 NPN transistor, a part numbered under the Japanese JIS standard, where 2SD denotes NPN low-frequency types.

A 55.2 KB PDF named after the 2SK2348, a JIS-registered type whose 2SK prefix indicates an N-channel FET.

A 140 KB PDF named after the semiconductor 2SJ563, listed in the index under schematics.

Datasheet-style document for the 2SJ537, delivered as a 137 KB PDF though indexed as a schematic.

The name of this 97.3 KB PDF gives nothing beyond 2SJ277, a JIS-style designation in which 2SJ marks a P-channel FET.

Only the part number 2SJ275 appears in the name of this 97.0 KB PDF. That code follows Japanese JIS numbering, where 2SJ indicates a P-channel field-effect transistor…

An archive in RAR format, roughly 959 KB, for the Xiaomi Mi 4S phone. The name lists only the model, with no indication of document type, PCB number or revision, so…

Service package for the LG X155, the SVC tag in the name indicating LG service documentation, packed as a 6.10 MB RAR archive.

For the 2SC4742 transistor, this 32.2 KB PDF is indexed under schematics yet appears to be a component reference.

Indexed as a schematic, this 79.2 KB PDF is named 2SC4400 and should be the reference datasheet for that NPN bipolar transistor.

The 2SC4121 part number is the whole name of this 89.5 KB PDF; although typed as a schematic, it should be the datasheet for that NPN bipolar transistor, as the Japanese…

Compact 49.5 KB PDF for the 2SC3354, with an _E suffix in the name that may indicate an English-language edition, though the name does not confirm it.

PDF, 52.3 KB, documenting the 2SA1177, a PNP bipolar transistor in the JIS 2SA numbering scheme.

Short PDF document, 47.9 KB, whose name points to the component 2PB710A, with the suffix 6 likely indicating a revision of the sheet.

PDF document of 164 KB with the bare name 40cpq035, indexed as a schematic. Nothing in the name points to a specific device, manufacturer or board revision; the string…

Indexed as a schematic, 36mt is a 53.9 KB PDF whose name is only a short code that resembles a component series designation rather than a laptop board number.

Filed under schematics, 35clq045 is a 47.8 KB PDF whose name reads like a discrete part number; it does not state any device, manufacturer or revision.

A compact 75.6 KB PDF indexed as a schematic but named 31DQ09, a code that looks like a rectifier diode part number, not a motherboard.

RAR archive of 2.11 MB tied to the ASUS A8J and A8F notebook series as indicated by the A8J.F naming; the name does not specify the contents or a board revision, though…

Boardview material for the ASUS FX505DD gaming laptop, supplied as a 1.46 MB RAR archive.

Archive for Wistron board 08532-1, packed as a 46.5 KB RAR, with the -1 suffix indicating a specific board variant or revision of the 08532 project.

Firmware package for the Dell Latitude 5400 whose name indicates a locked (LCKD) dump and an unlocked version, in an 11.4 MB RAR.

RAR archive of roughly 5.54 MB with BIOS firmware for an X270, marked new in the name, which probably indicates a newer or updated image compared to other versions…

Display backlight schematic for the Samsung SM-A22 5G, a 5.25 MB PDF sheet. It shows the backlight driver, the boost inductor and diode, enable signals and the lines…