Short datasheet, around 78.7 KB, for the HC-SR04 ultrasonic distance sensor module widely used in hobby and educational electronics.

Short 347 KB PDF about the MMC memory card standard; the bracketed number in the name suggests a duplicate saved copy, and no maker or version is stated.

Short Atmel document tied to the AT89S8253 microcontroller, marked AN in the name, which most likely indicates an application note rather than the full datasheet.

Dump for the Panasonic TH-28D400DX LCD television on the 3MV59AX7 board, made from a GD25Q32 flash, a GigaDevice 32 Mbit (4 MB) SPI chip. The RAR is 2.60 MB compressed.

Boardview for Dell motherboard LA-J181P, a Compal-manufactured board, packed as a 456 KB ZIP without revision noted.

Schematic diagram for a Lenovo ThinkPad board numbered NM-A151, supplied as a 1.79 MB PDF.

Quanta 0P5-C boardview in CAD format for board DA0P5NMB8E0, compressed as a 179 KB RAR.

BIOS dump for the HP EliteBook 820 G1, motherboard 6050A2560501, with the name indicating MB revision A02.

Schematic diagram in PDF for an Acer Aspire laptop mainboard numbered 14205-1. Plain five-digit numbers with a dash suffix like this follow the Wistron board numbering…

PDF schematic named only U400D, about 814 KB in size, with no brand, board number or revision in the name.

Netbook schematic named NB300-305, a 483 KB PDF, which most likely corresponds to the Toshiba NB300 and NB305 series although the file name itself gives no brand, board…

ASUS GTX650 Ti boardview, with the name marking an OC (factory overclocked) variant. Stored in the .fz format, it opens in boardview software like FlexBV and shows…

Schematic in PDF format for the Compal motherboard LA-4993P, revision 1.0. No laptop brand appears in the name, although Compal boards of this pattern were supplied to…

Schematic PDF for the Lenovo LCFC NM-E791 motherboard, revision 1.0. At only 337 KB it may be a partial or heavily compressed document, so check its page count.

Schematic for the Lenovo G410 and G510 on Compal board LA-9641P, discrete graphics version, revision 0.3, in PDF.

Archive for the Lenovo ThinkPad T480 on the LCFC board NM-B501 Rev 1.0, dated 2018-03-05, containing firmware for chips U49 and U15 and marked working.

UEFITool NE, build A75, for 64-bit Windows, a graphical utility for inspecting UEFI firmware images.

Schematic diagram for the ASUS M3400QA laptop motherboard, revision 2.0, in a 3.28 MB PDF.

ZIP archive tied to the Quanta-numbered motherboard DA00GEMB8C2, labelled enrollment old with a date code of 062117.

Component document for the 74HC245, an octal bus transceiver with three-state outputs, provided as a 267 KB PDF in the schematic category.

Datasheet PDF, 312 KB, for the LM324 quad op amp, listed in the schematic category without a manufacturer in the name.

Part document for the 2SC1050, a 192 KB PDF filed as a schematic, the name giving only the part number.

PDF for the 2N6718, a 160 KB document filed under schematics with only the part number in the name.

Datasheet-style PDF covering the TIP29 and TIP30 complementary power transistors, filed here under the schematic category.

Datasheet in PDF for the MUR1560, an ultrafast recovery rectifier diode. The 15 in the part number indicates 15 A and the 60 indicates 600 V, a common choice for output…

Datasheet in PDF for the KSC3503, an NPN transistor; the file name gives only the part number, so ratings must come from the document.

Datasheet for the IRF840 N-channel MOSFET, delivered as a 282 KB PDF. Typical contents include maximum drain-source voltage, continuous current, on-resistance…

Datasheet-style PDF for the 2SD2611, stored in the schematic category at 47.3 KB. The name gives only the part number, so revision and manufacturer are not stated.

Indexed as a schematic, this PDF is named 2SD1459, a Japanese JIS designation that points to a datasheet for an NPN transistor rather than a board diagram.

A 133 KB PDF for the 2SD1935, a transistor in the Japanese 2SD family, which the JIS standard reserves for NPN low-frequency devices.

At only 34.4 KB, this PDF is a short reference for the 2SD1913 transistor. Under Japanese JIS part numbering the 2SD prefix identifies an NPN device for low-frequency…

A small 40.3 KB PDF for the 2SK2867, filed as a schematic; the modest size suggests a short datasheet or summary page. The name contains nothing but the part number.

Catalogued as a schematic, this 86 KB PDF is named only after the part number 2SK2273, so it is almost certainly a component datasheet, not a board diagram.

Datasheet-style document for the 2SJ227, stored as an 85.3 KB PDF and indexed in the schematic category.

A RAR file of about 953 KB intended for the Xiaomi Mi 5 smartphone. Beyond the model name, nothing indicates its contents, board revision or version, so extract it and…

A small RAR archive, about 506 KB, for the Xiaomi Mi 1S phone. The file name provides only the model, with no document type or board revision, so look inside before…

The 2SC5588 is covered by this 332 KB PDF document. Apart from the part number the name gives no detail, so maker and revision are unknown until the file is opened.

Filed as a schematic, this compact 79.7 KB PDF is named for the 2SC4169, a JIS-style designation that belongs to an NPN bipolar transistor, so the content is most…

Datasheet-style document for the 2SC5405, stored as a 37.3 KB PDF in the schematic category. Nothing beyond the part number appears in the name.

PDF reference sheet for the 2SC3184, filed in the index as a schematic but named after a single part number in the Japanese JIS scheme.