Original (ASLI) BIOS dump labelled 5551-2863, likely an Acer Aspire 5551 variant, in a RAR archive of 970 KB.

Boardview for the ASUS K53SV motherboard revision 2.3, in the FZ format readable by tools such as Boardviewer, FlexBV and OpenBoardView.

Datasheet for the Microchip PIC16C505, a small 14-pin microcontroller from the baseline PIC range, provided as a 1.18 MB PDF.

Datasheet for the Microchip PIC16LC74B, a compact 615 KB PDF. The LC prefix indicates the low-voltage version of the PIC16C74B, with an extended supply range suited to…

Datasheet for the 78MXX family, the medium-current series of fixed positive three-terminal linear regulators rated around 500 mA.

Datasheet for the LM7805, a fixed 5 V positive three-terminal linear regulator from the widely used 78xx family, provided as a 161 KB PDF.

Compact 64.3 KB PDF application note for the XR2206 function generator chip from Exar. It is intended as a practical reference for how the IC is wired in a working…

Boardview for the Apple X3087 main logic board, part number 820-03597, with the 051-10340 schematic reference included in the name.

Boardview data for the ASUS UL80V motherboard, revision 2.0, packed in a small 146 KB ZIP archive.

Firmware dump called rodnoy, a transliterated Russian word meaning original or stock, which suggests a read of a factory chip; no model, brand or board number appears in…

Boardview for the Lenovo ThinkBook 13s-IWL, motherboard BM5884A V1.2, provided in BDV format inside a 494 KB RAR.

RAR archive of 9.33 MB holding a BIOS image whose short name points to an H410M H V3 desktop board, possibly version 11, with no brand stated in the name.

Repair guide, RG, for the P452SJ laptop, delivered as a 714 KB PDF. Expect board layout images with marked components, voltage values at key test points and flowcharts…

BDV boardview covering revision 4.1 of the ASUS K43L motherboard, compressed into a 115 KB RAR.

Firmware image for Quanta motherboard DAOYOFMBAJ1 revision J, for the flash chip at location U32, in a 3.5 MB ZIP archive.

Boardview in a 154 KB ZIP for Quanta board DA0NJIMB8C0, used in an ASUS laptop. Quanta labels boards with a DA0 prefix code printed on the PCB.

Large 962 KB PDF for the LM324P, the quad operational amplifier in a plastic DIP package, as the P suffix commonly indicates.

Firmware dump of 4 MB for the TP.VST59S.PB813 TV mainboard, labelled HDR, SAM and MIRROR.

Small 27.4 KB PDF named after the part code 5LN01C, indexed as a schematic though it reads like a discrete-component datasheet.

A 27.1 KB PDF titled with the part code 5LP01SS, stored in the schematic category but evidently a small datasheet.

Small 39.9 KB PDF for the 2SD2474, carrying an _E suffix whose meaning the name does not state; it may reflect a language or edition marker.

PDF of 43.6 KB for the 3N252, listed under schematics though the name is a bare JEDEC part number.

A compact 134 KB PDF titled with the part number 2SK2839 and catalogued as a schematic.

Datasheet-type PDF for the 2SK2740, 138 KB, with a 1-5 suffix in the name whose meaning is not stated, possibly an edition or page range.

PDF of 137 KB for the 2SK2713, carrying a 1-5 suffix of unstated meaning, likely an edition or page marker rather than a different device.

PDF of 33.4 KB describing the 2SK2016 transistor, an N-channel FET by its JIS 2SK prefix. It is catalogued as a schematic but is best used as a component datasheet.

A compact 32 KB PDF named 2SK1447LS, filed as a schematic. It appears to cover a variant of the 2SK1447 carrying an LS suffix, whose meaning the name does not explain.

ZIP archive, 2.18 MB, labelled for the Huawei Y300 phone with no document type given in the name.

PDF for the 2SC4417 carrying an _E suffix whose meaning the name does not explain, sized 40.7 KB.

PDF reference for the 2SC4257 transistor, 81.6 KB, filed under schematics although it is a part document rather than a board drawing.

This 105 KB PDF is named after the 2SC4159 and, although stored as a schematic, should contain the specification sheet for that NPN bipolar transistor, as the JIS 2SC…

Compact 125 KB PDF for the 2SC5091FT, an NPN bipolar transistor numbered under the Japanese 2SC scheme, with the FT suffix as part of the name; its exact meaning is not…

A 463 KB PDF for the 2SC380TM, an NPN transistor numbered under the JIS 2SC scheme; TM is part of the name but its meaning is not explained.

Datasheet-style PDF for the 2SC3988, 114 KB, filed in the schematic category though the name is a plain JIS transistor number.

PDF of 41.0 KB titled 2SC4968 with an _E suffix whose meaning the name does not state. It is listed among schematics, but the 2SC prefix follows the JIS/JEITA…

Indexed as a schematic, this 195 KB PDF carries just the type number 2SC3803. In JIS semiconductor naming, 2SC stands for an NPN transistor, so the content is most…

File name 2SC3786 offers nothing beyond a transistor type number, and the 81.5 KB PDF is placed in the schematic category.

Indexed as a schematic, this 95.8 KB PDF carries only the designation 2SC4821. In the JIS system the 2SC prefix denotes an NPN transistor, so the content is most likely…

Data for the 2SC3576, an NPN transistor per the JIS 2SC designation, supplied as a 108 KB PDF and filed among schematics.

Small 39.7 KB PDF for the 2SC3526, carrying an _E suffix in its name whose meaning, perhaps a language edition or document revision, cannot be confirmed from the name…