BIOS image of 512 KB for the Intel DG31PR desktop motherboard, an Intel G31 chipset board.

Firmware for the K50IL notebook in a 634 KB zip, with AS201 most likely marking BIOS version 201. It suits this K50 variant only, so verify the model label before use.

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…

ZIP archive of BIOS firmware for the HP CQ57 notebook, 1.85 MB compressed. The name gives no board number, revision or BIOS version, so open the archive and inspect the…

Another firmware set for the H61H2-M13 board at version 1.0, an Intel H61 desktop motherboard whose maker the name does not reveal.

Firmware for Quanta mainboard DAUT1AMB6E1, revision E, compressed as a small 918 KB RAR.

ROM image, 1.50 MB, named E5500A17_1 with no brand, model or board information. The token likely encodes a model and BIOS revision, possibly a Dell Latitude E5500 at…

ZIP archive holding BIOS for the ASUS K42JK, with the token 217 most likely indicating BIOS version 217 and AS being part of the file naming.

A 1.17 MB PDF datasheet for the Microchip PIC16F6xx flash microcontrollers, with the name indicating a family placeholder rather than a single part number.

Datasheet for the Microchip PIC16F84A, a classic 18-pin flash microcontroller with data EEPROM, provided as a 1.46 MB PDF.

Combined Microchip datasheet for the PIC16C62B and PIC16C72A microcontrollers, provided as a 2.07 MB PDF.

Microchip datasheet in PDF format, 2.87 MB, for the PIC16F872 flash microcontroller, a 28-pin member of the PIC16F87x line.

PDF reference for the Arduino Mega 2560 board, 6.76 MB, labelled as its datasheet. Its large size suggests it includes the ATmega2560 microcontroller documentation or…

Datasheet for the older ATmega161 AVR microcontroller, a 1.65 MB PDF document. It details pin functions, the memory map, peripherals such as timers and UARTs…

Full datasheet for the ATmega169 AVR microcontroller, distributed as a 2.97 MB PDF. This part includes an integrated LCD controller, and the document covers its segment…

Complete datasheet for the ATmega8535 AVR microcontroller in a 2.44 MB PDF. It covers the 40-pin and surface-mount pinouts, memory, timers, ADC, USART, SPI, TWI, fuse…

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

Datasheet for the PCF8591, an 8-bit data acquisition device from Philips/NXP combining four analog inputs, one analog output and an I2C serial interface on a single…

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

Datasheet for the LM336-2.5V, a precision 2.5 V shunt voltage reference diode with an adjust pin for trimming the voltage and minimizing temperature drift.

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.

ZIP archive of about 33 MB named simply pack, with no model, board number or file type indicated.

PDF schematic section for the Qualcomm SM4375 processor, as named, likely a reference or handset excerpt focused on the SoC block.

Quanta 0P5A / 0P5 archive for board DA0P5NMB8E0, apparently containing a PDF, most likely the schematic, in a 2.65 MB RAR.

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…

Working BIOS dump, judging by the OK in the name, for a machine labelled FOLIA 9470M, which most likely refers to the HP EliteBook Folio 9470m.

BIOS dump for the HP EliteBook 1040 G3 on Quanta motherboard DA0Y0FMBAJ1, revision J, packed as a 7 MB RAR archive.

BIOS archive whose name only reads 1020 G1, a 6.35 MB RAR with no brand listed, though the model code matches HP's EliteBook Folio 1020 G1 naming.

Boardview for the ASUS X507MA laptop mainboard in FZ format, a compact 66.4 KB file. The name gives no board revision.

Raw BIN image of 32.0 MB named 32MB new, with no brand, model or board number given, so the target device is unknown.

BIOS archive for the Quanta motherboard DA0Y0PMBAE0, with no revision, chip size or tested status stated in the name.

Datasheet in PDF form for the HEF4093B, a CMOS logic part from the HEF4000 family, best known as a quad two-input NAND gate with Schmitt-trigger inputs.

A small 33.3 KB PDF covering the 2SD330 transistor, listed as a schematic though it documents a single discrete part. The name carries no other details.

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 the 2SD2216J, a 40.5 KB PDF listed as a schematic. The J is part of the type designation and marks a variant of the 2SD2216, so the exact suffix should be…

Here the subject is the 2SD2167, delivered as a 51.2 KB PDF filed as a schematic. By JIS convention the 2SD prefix belongs to NPN bipolar transistors for low-frequency…

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…

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…

A 171 KB PDF for the 4N39 and 4N40 optocouplers, listed under schematics but in practice a component datasheet.