Schematic for a Nokia phone listed as model 26110 in a 1.87 MB PDF. The number as written does not match a familiar Nokia model, so it may be a typo for another handset…

Schematic PDF for the Lenovo IdeaPad Z500, 1.43 MB in size. The name gives no board number or revision, so open the document and compare its title block with the…

ThinkPad T60 schematic in a 1.63 MB PDF, with GM in the name most likely pointing to the 945GM chipset build with integrated graphics; no revision is stated.

Circuit schematic for the Lenovo ThinkPad X200, a 1.23 MB PDF. Only the model is named, without revision or board code, so check the labels on the PCB before relying on…

Schematic for the Lenovo ThinkPad W700 in its DDR3 memory version, provided as a 2.22 MB PDF.

Schematic diagram in PDF for the IBM ThinkPad R40, roughly 1.45 MB; the name gives no board number or revision.

Service schematic for the Acer Aspire 4553 and 4625, based on the Quanta ZQ2B design, revision 1A, 1.07 MB PDF.

Lenovo BIOS image with version 6CCN18WW, shown in brackets as V1.05, using the standard Lenovo numbering where the first characters identify the platform and WW marks a…

Firmware for the K52JV notebook in a 1.21 MB zip, the AS203 suffix most likely indicating BIOS version 203.

BIOS binary for the HP Compaq 6710b, for motherboard 6050A2088101 at revision A03. The 6050A prefix follows Inventec numbering, the ODM behind many HP business…

BIOS file for the K54LY laptop, revision 207 judging by the file extension, in the 4 MB format typical of vendor update images.

Original BIOS archive for the HP G62 blue board version with AMD graphics and AMD chipset, as the name indicates.

Firmware archive for a JV50-MV board, a 1.07 MB RAR. The name lists M92, which likely refers to the ATI Mobility Radeon M92 graphics variant, and the board number…

Main 4 MB BIOS image for the ASUS K53SD, mainboard revision 5.1, a companion to the separate EC firmware for the same board.

Binary of 4 MB labelled 5110 ATI and marked as 100 percent OK, meaning the uploader reports it working.

Small 256 KB binary labelled 5040 SMALL and marked OK, apparently the companion to a 4 MB main BIOS dump for a model numbered 5040.

Lenovo G50-70 firmware, machine type 20351, in a 3.19 MB RAR archive, with no board number or version given.

Specification sheet for a green 10 mm LED, provided as a 517 KB PDF. The name gives no manufacturer or part number, so check the document for the exact series, luminous…

A 2.16 MB datasheet in PDF format for the Microchip PIC16C7x family, OTP or EPROM microcontrollers featuring an analog-to-digital converter.

Full datasheet for the ATmega32 AVR microcontroller in PDF form, 2.70 MB. It describes the pinout, memory, clock options, timers, ADC, USART, SPI, TWI, JTAG interface…

Full datasheet for the ATmega406 AVR microcontroller, a 1.68 MB PDF. This chip is designed for smart lithium battery packs, integrating cell balancing, voltage and…

Family manual for the Atmel AVR XMEGA D series, a 5.25 MB PDF describing the core, memories, clock system, power management, ports, timers, communication peripherals…

Datasheet for the TMS75176B, a Texas Instruments differential bus transceiver for RS-485 and RS-422 links, a variant of the widely used 75176 family.

Datasheet for the 4N25 phototransistor optocoupler, a classic six-pin DIP isolator used in power supplies, interfaces and control circuits.

Datasheet in PDF form for the MT8888, an integrated DTMF transceiver that combines a tone receiver and a tone generator with a call-progress filter in one package…

Firmware archive in RAR format, about 7 MB, whose name consists only of the number 08514 and says nothing about brand, model or board.

Dell BIOS update utility for the Latitude 5430, version 1.42.0, packaged as a Windows executable.

Zip package of about 13.6 MB for the SR-2000HD EXTREME receiver, carrying firmware V297 dated 8 November 2021.

Zip archive with software for the ZEED5 receiver, version V8.29, built 26 October 2021, roughly 10.3 MB.

Software release V8.29 for the A9700 receiver, dated 26 October 2021, packed as a 10.3 MB zip.

PDF schematic for the SM6375 chip, carrying an SM63 family suffix in its name and measuring 1.51 MB. The handset or board it came from is not given.

Zipped BIOS image named 996F1P07, roughly 1.14 MB, with no brand, model or board number given, so the target device must be identified from other sources.

A generic binary named only as a new BIOS, with no brand, model or board number in the name.

Firmware backup labelled gwtn156-7, with the Spanish word respaldo meaning backup, in a 16 MB raw image.

BIOS archive for the Dell Latitude E7400, about 11.7 MB, with no board number, version or test status in its name.

BIOS archive whose name carries only the number 49271, with no brand, model or board revision stated, about 2 MB in RAR form.

Reference PDF for the CD4094, an eight-stage shift-and-store bus register from the CMOS 4000 series, as the name notes it is a shift register.

PDF reference of 116 KB for the CA3306, a CMOS flash analog-to-digital converter in the Intersil and Harris CA-series line.

Datasheet for the 2SD612K transistor, a 303 KB PDF listed in the schematic section. The K at the end belongs to the type number and indicates a variant of the 2SD612…

Datasheet-type PDF, 30.8 KB, for the 2SD2627LS, catalogued as a schematic. The LS suffix is part of the type designation and likely refers to a specific variant or…