ZIP archive of about 3.1 MB with BIOS firmware for the Lenovo IdeaPad Z510. The name lists no board number, version or contents, so open the archive and check whether it…

Compressed firmware for a Sony VAIO built on the MBX-237 mainboard, a 54.2 KB zip. At this size the archive is too small to hold a full BIOS image, so it likely contains…

RAR package with BIOS firmware for the Lenovo IdeaPad Z510, compressed to about 3.07 MB.

Datasheet for the STMicroelectronics STM32F205RET6, an ARM Cortex-M3 microcontroller from the STM32F2 series, in a 2.22 MB PDF.

Microchip PIC16HV540 datasheet in PDF, 1.48 MB. The HV designation refers to a high-voltage variant of the baseline PIC family designed to run from a wider supply range…

Summary datasheet, 249 KB PDF, for a group of mega parts listed as 640, 1281, 1280, 2561 and 2562, matching the Atmel AVR ATmega640/1280/1281/2560/2561 family; the final…

PDF datasheet of 128 KB carrying only the document number 3323 in its name; the specific component is not identified by the title.

Datasheet for the LM337, an adjustable three-terminal negative voltage regulator, the counterpart of the positive LM317.

PDF datasheet of 1.13 MB carrying document number 6120 followed by an s, with no part number or manufacturer in the name.

Datasheet for the 79XX family of fixed negative three-terminal linear regulators, a 167 KB PDF.

Datasheet PDF of 426 KB identified only as doc6318, so the file name gives no clue about the component.

Atmel datasheet for the AT89S53, an 8051-compatible microcontroller with 12 KB of in-system programmable flash and SPI serial programming.

Firmware archive for the SR-200HD EXTREME receiver, version V1.15 with build number 23303, dated 12 November 2021, as a 4.87 MB zip.

Raw .bin firmware file of about 43 MB whose name gives only X96 and a version-like string 01020200, with no model, board or chip details.

Archive of high-resolution board photos for the Inventec motherboard 6050A2477601, revision A02.

High-resolution board photos labelled A15HC at revision 2.0, in a 10.4 MB RAR; the name gives no brand or device.

BIOS archive for board DAY0PAMBAF0 at revision F; the DA-prefix numbering is Quanta's motherboard scheme, and the name does not identify the notebook model.

Small 69.9 KB ZIP whose name points to a 128 KB image with version string DWCN20WW. The WW-suffixed format resembles Lenovo firmware versioning, and a 128 KB size…

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

Reference sheet in PDF format, 236 KB, describing LVDS connector pinouts. The name names no device or panel model, so treat it as a generic guide to low-voltage…

Schematic PDF for the KYLOREN KABYLAKE UR project at revision A00, Wistron board 16841-1M, around 10.6 MB.

Small 65.1 KB PDF reference for the HEF4008BP, a CMOS logic device from the HEF4000 series that the 4008 number identifies as a four-bit full adder; the BP suffix…

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

Datasheet for the 2SD1815 in PDF format, 154 KB, catalogued as a schematic. Apart from the type number, the name carries no extra details.

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

A 169 KB PDF for the 2SD1803, placed in the schematic category but evidently a component reference sheet. No manufacturer, revision or variant is named.

PDF sheet of 38.4 KB for the 2SD2575, with an _E suffix in the file name. Filed as a schematic, it most likely holds datasheet content, because 2SD is the JIS code for…

PDF sheet of roughly 41.8 KB for the 5LP02M part, filed under schematics. Only the part number is given; by the series pattern the LP letters likely signify a P-channel…

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

Part reference sheet for 5HN01C, a compact 26 KB PDF listed under schematics. No laptop model or board number appears in the name.

Component sheet for 5HP01C, a 26.8 KB PDF without any laptop, brand or board number in its name.

Optocoupler datasheet for the 4N29, with the name indicating revision 4x, supplied as a PDF of roughly 287 KB.

Compact 38 KB PDF datasheet for the 2SD2142K, an NPN transistor named in the Japanese JIS scheme, where the trailing letter marks a specific package or variant.

Component sheet for the 3SK268 supplied as a 32.8 KB PDF and placed in the schematic category. Beyond the part number, the name gives no further detail.

The 3SK219 is covered by this compact PDF of roughly 30 KB, indexed as a schematic but by its name a part datasheet.

Covering the 2SK2733, this 413 KB PDF sits among schematics but is most likely the device datasheet, since 2SK is the Japanese JIS prefix for N-channel field-effect…

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.

The smallest of this group at 23.0 KB, this PDF covers the 2sk2474, a JIS-numbered N-channel FET.

The 2SK2350 is identified here only by its part number, in a 417 KB PDF catalogued as a schematic.

Listed among schematics, this 31.7 KB PDF refers to the 2SK2340, a Japanese JIS-numbered device where 2SK designates an N-channel field-effect transistor.