Small 38.6 KB PDF showing the bottom side of the Xiaomi Mi 4 LTE board, based on the board_down label in the name.

Lenovo B490 schematic in PDF format, 1.95 MB, apparently a duplicate copy of another B490 file judging by the identical name and size.

Schematic in PDF format for the Toshiba Satellite L640, drawn for the Quanta TE2 board numbered DA0TE2MB6F0.

Boardview for the Asus X550VC motherboard, revision 3.0, part number 60NB00S0-MB2030. ASUS uses 60NB codes for its notebook mainboards, and the number on the PCB sticker…

Boardview for Compal motherboard LA-9531P, revision 1.0, packed in RAR. No laptop model is named, so identify the board by its silkscreen number.

Small archive for the ASUS F8V, labelled M86 with DDR2 memory and revision 1.0. M86 most likely refers to the ATI Mobility Radeon graphics chip used on that variant.

PDF for the Samsung J5 Prime, 5.35 MB, with the brand name written in Persian in the file name.

Boardview file for the ASUS X453MA motherboard, revision 2.0, in the .fz format at about 104 KB.

Third schematic document for the Nokia N90 swivel-camera phone, a 4.16 MB PDF. The name states neither board code nor revision, so confirm the PCB markings against the…

Acer Aspire 3105 schematic labelled NWLC, a 1.13 MB PDF. NWLC is likely the platform or project code used for this board, but the name provides no ODM number or…

RAR archive of 968 KB shared between the Lenovo G470 and G570 laptops. The name gives no board number, revision or content type, so unpack it to find out whether it…

Schematic for an IBM-branded X201i, judging by the file name, supplied as a 1.62 MB PDF with no board number or revision given.

Circuit diagram for the W7J board, a 1.27 MB PDF with only the project code in its name and no brand or revision.

Sony mainboard schematic for MBX-237, version 030 according to the name, delivered as a 2.68 MB PDF.

Sony board MBX-226 schematic, labelled M9A0 with an MP suffix that usually marks a mass-production release.

Acer Aspire 5220, 5220G, 5520 and 5520G schematic in a 744 KB PDF; the name gives no ODM, board number or revision, so open the title block to identify the mainboard it…

Raw BIOS dump for the Samsung R439 notebook, with an attached OKKK tag indicating a tested image. The file is 4 MB, which matches a 32 Mbit SPI flash chip.

A 4 MB raw BIOS image for the ASUS K52F, marked in the name as tested and working. No board revision or BIOS version is given, so check the motherboard markings before…

Datasheet for the Atmel AT89S8252, an 8051-family microcontroller with 8 KB of downloadable flash, 2 KB of EEPROM and an SPI interface used for in-system programming.

PDF datasheet of 274 KB for the AD7828 from Analog Devices, an 8-bit analogue-to-digital converter with an eight-channel input multiplexer and microprocessor interface.

Quanta G3P boardview with board number DAG3PMB18B0, in CAD format at 1.22 MB. The DA...MB numbering is Quanta's, and the characters after MB normally encode the board…

Layout file for the H98T board, number DAH98TMBAC0, revision C, in the compressed .fz boardview format.

Boardview data for the Gigabyte H410M H V3 desktop motherboard, in a ZIP archive of 784 KB.

Repair guide for the P553UJ notebook, abbreviated RG in the name, in a 726 KB PDF. These guides normally combine board photographs, component locations, typical voltage…

Boardview packed in a 95.8 KB RAR named only with the number 213093-1, which reveals no brand, model or recognizable board scheme.

Boardview for the ASUS UX305UA motherboard, compressed into a small 92.4 KB zip. The name does not give a board revision.

ZIP of 617 KB holding a TVW boardview for Lenovo board NM-C511 revision 1.0, the LCFC numbering used for many Lenovo notebooks. The model name is not stated.

Boardview in CAD format covering two boards, B1402CBA and B1502CBA, 910 KB in size, with no brand stated in the name.

Reference sheet for the 2SC2330, which the name marks as an NPN transistor, stored as a 431 KB PDF and filed under schematics.

The 2SD2634 transistor is described in this 30.7 KB PDF, classified as a schematic though the name points to a datasheet.

An 88.8 KB PDF describing the 2SD1806, filed in the schematic index although it is most likely a part datasheet.

Datasheet-type PDF of roughly 41.9 KB for the 5LN02SP, placed in the schematic category.

Component documentation for 5HP02M, delivered as a 40.7 KB PDF. Despite the schematic label, the name is a bare part number with no board or brand information, so treat…

Combined datasheet PDF of 210 KB covering the 4N25 to 4N28 and 4N35 to 4N37 optocouplers, although indexed as a schematic.

Small 21 KB PDF covering the 4N39 optocoupler, catalogued as a schematic. The name states only the part number, so the content is most likely a brief datasheet with…

Datasheet covering the 4N35 to 4N37 family of optocouplers, stored as a 276 KB PDF and catalogued as a schematic.

A 41.8 KB PDF named for the 2SD2457 with an E tag, filed as a schematic. By the JIS scheme, 2SD marks an NPN bipolar transistor, so expect a component reference rather…

PDF file of 314 KB for the 2SK2776, indexed under schematics. Since the 2SK prefix designates an N-channel field-effect transistor in the Japanese JIS system, the…

Indexed as a schematic, this 139 KB PDF actually concerns the 2SK2715, an N-channel field-effect transistor according to the Japanese JIS 2SK prefix.

A 137 KB PDF for the 2SK2714 with a 1-5 suffix that the name leaves unexplained, possibly an edition or page range.