Schematic labeled T61, most likely the ThinkPad T61, as a 2.09 MB PDF; the name gives no board number, revision or graphics variant.

Circuit schematic for the ThinkPad T23, delivered as a 901 KB PDF. Only the model is stated; revision and board number are absent from the name, so verify the…

Schematic for the Lenovo Y510 laptop in PDF format, about 1.26 MB. The name gives no board number or revision, so read the ODM code printed on the motherboard and…

Schematic PDF titled Z96Jm, revision 1.0, about 1.31 MB. The file name gives no brand, and Z96Jm is not decoded further here, so check the title block for the…

Schematic for the Z84FM board, a 900 KB PDF whose name gives neither brand nor revision.

Schematic document named Z65, about 1.57 MB in PDF format, with no brand, board number or revision stated beyond that short code.

Laptop schematic for the Z62HA board, 1.15 MB PDF, with no brand or revision given in the name.

Schematic PDF for the Z37S board, roughly 2.34 MB, with no brand or revision indicated in the name.

Schematic PDF for the Quanta RJ6 motherboard, 790 KB, with no revision or end-product model given in the name.

Duplicate of the Quanta AT6 laptop board schematic at revision R1A, provided as a 1.58 MB PDF.

RAR archive of 1.70 MB with BIOS firmware for the U45J laptop with main board U45JC. The word ASLI, Indonesian for original, indicates a factory dump.

BIOS binary for the Intel D915PBL desktop motherboard, a board built around the Intel 915 chipset family.

ASUS Eee PC 8G firmware supplied as a 363 KB zip archive. The name carries no BIOS version, board number or revision, so the archive contents need checking before…

BIOS file of 512 KB named 945p7ae, likely tied to a desktop motherboard based on the Intel 945P chipset, with no board maker given.

BIOS archive for an HP 15 notebook using the Quanta-made mainboard DA0U93MB6D0, provided as a 2.27 MB RAR.

Small 604 KB RAR archive described only as N350E INTEL INTEL, most likely firmware for a device or board designated N350E.

ZIP archive of about 1.6 MB labelled Y570, which most likely refers to the Lenovo IdeaPad Y570, though the name confirms no brand, board number or version.

BIOS dump named after the E1-510, which most likely refers to an Acer Aspire E1-510 laptop, though the name states no brand, board number or version.

Datasheet for the HJ1602A, a 16x2 character LCD module, provided as a 320 KB PDF. It covers the module dimensions, pin assignment, electrical characteristics and the…

PDF datasheet for the Microchip PIC16F628 flash microcontroller, 1.68 MB in size. It describes the pin functions, internal oscillator, comparators, USART, timers…

Microchip datasheet for the PIC16C781 and PIC16C782, PIC16 microcontrollers with integrated analog peripherals such as an operational amplifier, comparators, ADC and…

PDF datasheet, 1.17 MB, for the Microchip PIC16C62x series of 8-bit EPROM-based microcontrollers.

Complete datasheet, 1.09 MB PDF, for the tiny11 and tiny12, corresponding to the Atmel AVR ATtiny11 and ATtiny12 microcontrollers. The name gives no revision.

Condensed summary datasheet for the Atmel ATmega169 AVR microcontroller with integrated LCD driver, a 196 KB PDF.

Datasheet numbered 6280, a 328 KB PDF with an uninformative name that states no part number or brand. The device can only be identified by reading the document header.

Datasheet for the MQ2 gas sensor, a heated semiconductor sensor sensitive to combustible gases such as LPG, propane, hydrogen, smoke and similar vapours.

AT command reference for the SIM900 GSM/GPRS module, provided as a 1.53 MB PDF. The manual lists the commands used to control calls, SMS, network registration, GPRS data…

PDF datasheet covering the MT8880C, an integrated DTMF transceiver with a microprocessor bus interface, able both to decode and to generate dual-tone signalling.

Datasheet for the Atmel AT89C55, an 8051-family microcontroller with 20 KB of reprogrammable flash and 256 bytes of RAM, supplied as a 421 KB PDF.

A 91 KB PDF datasheet covering the AT89C51, the Atmel 8051-compatible microcontroller with flash program memory that turns up in many older industrial and consumer…

PDF datasheet (337 KB) for the AD7533, a 10-bit multiplying DAC from Analog Devices often used for programmable gain, attenuation and voltage setting in older…

Full 16.0 MB BIOS image for the ASRock H97M Pro4, a desktop motherboard built on the Intel H97 chipset.

Small zip archive of about 87 KB holding a settings package for Enigma2 receivers, with a numeric identifier in the name.

Boardview package in a ZIP archive for board BM5070, apparently provided in both BDV and TVW formats according to the name.

Boardview for board BM5070 in TVW format, packed in a ZIP archive. TVW files are opened with Teboview and compatible viewers, which show component placement, part…

Generic 16 MB BIOS binary simply called NEWBIOS, with no brand, model or board number in the name.

Schematic for the SM4635 processor, with an SM46 family tag, supplied as a 1.22 MB PDF; the source phone and board revision are not named.

RAR archive of 4.27 MB for model GH73G on board LA-L181P. LA-xxxxP numbers follow the Compal scheme, so Compal designed and built this motherboard.

Binary firmware image of 16.0 MB labelled 08A3C with the note NEW, with no brand or model given in the name. The size fits a 128 Mbit SPI flash chip.

Schematic for the HP nx9040 business notebook, packed as a 970 KB PDF. The file name names the model only, without a board number, ODM code or revision, so read the…