BIOS binary for the HP Pavilion dv7-2040us, labelled for the ATI video variant, 2.00 MB in size.

RAR archive of about 1.5 MB labelled AH530, which likely refers to the Fujitsu Lifebook AH530 notebook, although the name itself gives no brand, board number or firmware…

ZIP archive of about 5.3 MB for a W2042S monitor, most likely the LG Flatron W2042S; the extra word jozi in the name is unexplained and no board number or version is…

Desktop BIOS image for a G41M-VS3 motherboard, a 1.00 MB binary, with the brand and revision not given in the name.

BIOS firmware archive for the HP Pavilion dv5-1130ca, provided as a 1.66 MB ZIP file. The name carries only the model number, with no board number, revision or firmware…

BIOS archive for the ASUS K50IJ notebook, about 590 KB compressed, with no board revision stated in the name.

BIOS archive for an ASUS K42JA laptop, where the trailing M213 appears to be a version tag, though only K42JA is certain from the name.

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…

An 8 MB raw BIOS binary labelled for the HP 4540, most likely a ProBook 4540s, with the name marking it as checked and working.

BIOS package for the Lenovo Z51-70 built on Compal motherboard LA-C282P, compressed as a 3.63 MB zip.

A 4 MB raw BIOS image for the ASUS K52F, marked in the name as tested and working. No board revision or BIOS version is given, so check the motherboard markings before…

BIOS image for the ASUS K53SV notebook, the name giving only the model with no revision or board details.

Raw 8 MB BIOS dump for the ASUS X555LD notebook, without a board revision or firmware version in the name.

RAR archive with BIOS firmware for the ASUS Eee PC 1215N netbook, about 511 KB compressed.

Circuit diagram for the Lenovo ThinkPad R61 on the DAV3 GENBU5W board design, revision 5.13, in PDF form at about 1.28 MB.

Datasheet for the Microchip ENC28J60, a stand-alone 10Base-T Ethernet controller with an SPI interface, as a 480 KB PDF.

Datasheet for the MAX6675, the Maxim cold-junction-compensated K-type thermocouple-to-digital converter with a read-only SPI-compatible serial output.

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

Family datasheet for the Microchip PIC16F87x microcontrollers, a 3.74 MB PDF covering the flash parts in this group such as the 28- and 40-pin variants, indicated by the…

Microchip datasheet for the PIC16C745 and PIC16C765, PIC16 microcontrollers with an integrated low-speed USB interface, supplied as a 4.83 MB PDF.

PDF datasheet of 2.58 MB for the Microchip PIC16C5x series, the original baseline line of small 8-bit OTP or EPROM controllers found in older appliances, remotes and…

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…

Datasheet for the tiny22, a name pointing to the Atmel AVR ATtiny22 microcontroller, provided as a 933-935 KB class PDF of 935 KB.

Full family datasheet, 1.66 MB PDF, for the tiny25, tiny45 and tiny85, consistent with the Atmel AVR ATtiny25/45/85 8-pin microcontrollers.

Full datasheet covering the ATmega325, ATmega3250, ATmega645 and ATmega6450 AVR microcontrollers, a 2.69 MB PDF.

Combined datasheet for the Atmel ATmega48, ATmega88 and ATmega168 AVR microcontrollers, which share one pin-compatible family and differ mainly in flash, EEPROM and SRAM…

Datasheet covering the Atmel ATxmega D3 series, 64-pin parts in the cost-reduced AVR XMEGA D family.

Datasheet for the ULN2004, a seven-channel Darlington transistor array with built-in clamp diodes, part of the ULN200x family used to drive relays, solenoids, lamps and…

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 LM555 timer, the classic 555 IC, as a 231 KB PDF file. It covers pin functions, electrical characteristics and the standard monostable and astable…

Technical document on the MultiMediaCard (MMC) memory card, in a 1.70 MB PDF. The name gives only the card type, without a manufacturer or revision.

Full Atmel datasheet for the AT89S8253, an 8051-compatible microcontroller with 12 KB of in-system programmable flash and 2 KB of onboard EEPROM.

Datasheet for the Atmel AT89S8252, an 8051-family microcontroller with 8 KB of downloadable flash, 2 KB of EEPROM and an SPI interface used for in-system programming.

Datasheet in PDF (236 KB) for the TL081, a single JFET-input operational amplifier widely found in audio gear, filters, power supply control loops and instrumentation.

PDF technical document for the Intersil ISL9241, a buck-boost battery charger controller found in many laptops.

Firmware archive for a StarTrak Platinum receiver, marked KDP8005 and 150309 with a 3G note, packed as a 6.91 MB RAR.

Archive of 328 KB holding Wicardd for S Sh@ra, the name written partly in Russian meaning for S Sh@ra.

Archive of 9.07 MB named for model code G614FH with version 301; the name suggests a firmware release for that model but gives no brand or file details, so check the…

Dell executable for the Alienware 16X Aurora, model code AC16251, version 2.7.0, most likely a BIOS update package run from Windows.