Intel D945GCNL desktop board BIOS image, a raw 512 KB binary with no version information in the name. The size matches a 4 Mbit flash chip.

PDF schematic for the Lenovo ThinkPad X200t tablet laptop, around 1.89 MB. No board revision or code name is given in the name, so verify the motherboard markings before…

K50AF laptop BIOS packed as a 769 KB zip, with AS213 most likely denoting firmware version 213. The name gives no board revision.

K50IJ notebook firmware in a 635 KB zip, with AS218 most likely denoting BIOS version 218, an earlier release than the 220 package for the same model.

BIOS archive for the K50IE laptop, with AS218 run together in the name, most likely meaning firmware version 218. The zip measures 643 KB.

BIOS dump for the HP Pavilion dv9000 series, tagged at7, exactly 1.00 MB, which matches an 8 Mbit SPI flash chip.

Microchip datasheet for the dsPIC30F4013 digital signal controller, a 16-bit device combining a microcontroller with DSP capabilities, in a 5.22 MB PDF.

Datasheet for the ATmega128A AVR microcontroller, a 2.68 MB PDF. The A suffix denotes the revised version of the ATmega128, and the document covers its 64-pin pinout…

Datasheet for the early ATmega103 AVR microcontroller, a 1.99 MB PDF. It documents the 64-pin pinout, memory, peripherals, programming modes and electrical…

Short summary datasheet for the ATmega128 AVR microcontroller, 235 KB in PDF format. It generally contains the feature overview, 64-pin package pinout, pin descriptions…

Datasheet for the HIN232, an Intersil RS-232 transceiver with two drivers and two receivers powered from 5 V using an internal charge pump and external capacitors.

Compressed archive of 4.88 MB named only 0864D.F36, which gives no clear model, brand or board number.

Boardview in FZ format for the Quanta H98P project, board DAH98PMBAB0, revision B. FZ files are encrypted boardview layouts readable in tools such as FlexBV…

RAR archive of 87.4 MB with a generic name indicating motherboard images. No brand, model or board number is stated, so the contents must be inspected to see which…

Component datasheet for the 2SD2137, a part from the Japanese 2SD series, which designates NPN bipolar transistors intended for low-frequency use.

PDF named 2SD951, filed as a schematic but in all likelihood the datasheet for this 2SD-series NPN bipolar transistor; at 267 KB it may include scanned pages or extra…

Document for the 2SD2536 transistor, a 71.6 KB PDF in the schematic category that is most likely its datasheet.

The 2SD2049 is documented in this 131 KB PDF, catalogued as a schematic. In the JIS system, 2SD stands for an NPN bipolar transistor aimed at low-frequency or power…

Covering the 2SD1619, this 123 KB PDF appears in the schematic category, although a part-number title indicates a datasheet.

PDF datasheet of 185 KB for the 2SD1509 transistor, indexed as a schematic. Under the Japanese JIS scheme, the 2SD prefix marks an NPN bipolar device for low-frequency…

The 2SK2976 is documented in this 109 KB PDF. Its 2SK prefix marks an N-channel field-effect transistor in the JIS system, so the content is a datasheet rather than a…

Transistor datasheet PDF, 422 KB, for the 2SK2949. Under the JIS convention a 2SK number identifies an N-channel field-effect transistor, so this describes one device…

Datasheet PDF, about 49.6 KB, for the 2SK2632LS. The 2SK2632 core number follows JIS naming for an N-channel FET, and the LS suffix identifies a specific variant…

Concise 37.7 KB PDF for the 2SK2464, filed among schematics yet named after a single semiconductor.

Datasheet-style PDF for the 2SK2126, around 34 KB, indexed as a schematic. The JIS prefix 2SK marks it as an N-channel field-effect transistor, and the name says nothing…

NEC datasheet in PDF form for the 2SK1584, 57.9 KB, with the manufacturer given directly in the file name.

PDF datasheet, 32.8 KB, for the 2SK963 N-channel FET. The 2SK prefix follows the JIS numbering convention for N-channel field-effect transistors; the name gives no…

Datasheet for the 2SJ347 in a 301 KB PDF, listed in the schematic category. The 2SJ prefix belongs to the JIS naming system and identifies a P-channel field-effect…

The 2SD1111 is the only detail in the name of this 71.5 KB PDF, indexed as a schematic but best read as the transistor datasheet.

Short 20.8 KB PDF for the 2SC5274, written in lowercase in the name. Parts beginning with 2SC are NPN bipolar transistors under Japanese JIS numbering, so this is most…

PDF reference, 104 KB, for the 2SC5258, categorized in the index as a schematic. The JIS-style 2SC prefix denotes an NPN bipolar transistor, while the name says nothing…

Reference PDF of 178 KB for the 2SC4682. Although catalogued as a schematic, the part number uses the Japanese JIS scheme where 2SC identifies an NPN bipolar transistor…

Part documentation for the 2SC4601 transistor, supplied as a 115 KB PDF and indexed as a schematic.

A 100 KB PDF for the 2SC4769, categorised as a schematic, though the name is just a JIS part number and the content is therefore most likely a datasheet.

PDF data sheet, about 135 KB, covering the 2SC4540 transistor. Under JIS semiconductor numbering the 2SC prefix identifies an NPN bipolar device, so the document should…

PDF reference, 140 KB, for the 2SC4486 NPN bipolar transistor, identified as such by the JIS-standard 2SC prefix. The name provides only the part number.

PDF datasheet of 96.7 KB for the 2SC4482, an NPN bipolar transistor according to Japanese JIS designation.

At 235 KB this PDF for 2SC4439 is one of the more detailed files in the set, likely carrying graphs as well as rating tables.

The name 2SC4321 is all this 468 KB PDF offers, and although it is catalogued as a schematic, it is most probably the transistor datasheet.

A 124 KB PDF concerning the 2SC5468, a Japanese 2SC-series part, the JIS designation for NPN transistors.