Samsung Galaxy S9 Plus service archive, 10.4 MB in ZIP format, labelled only with the model and a numeric timestamp.

HP laptop BIOS image in RAR format for an Inventec-made mainboard numbered 6050A2628301, MB revision A02, with the model token 15CBHPGT in the name.

Firmware archive for board 13323-2, a Wistron-pattern number, with PCB markings in the name including LCB-1, part number 448.01107.0021 and the 94V-0 flammability rating…

Schematic PDF for the Acer H243H LCD monitor, around 3.5 MB in size. Monitor schematics of this kind generally cover the power and backlight section along with the main…

Circuit schematic in PDF form for the Orange Pi Win board, revision 1.1, 340 KB in size.

Schematic diagram for the Apple iPhone 6, supplied as a 3.96 MB PDF. The circuit pages let a technician trace power rails from the PMIC, follow signal lines to…

Motherboard schematic shared by the HP Pavilion G60 and Compaq Presario CQ60, built by Wistron under the project name HBU16, revision 1.2, as a 1.2 MB PDF.

Compal schematic for board LA-3781P, project name Everest, at revision 0.1 as stated in the name.

Schematic in PDF form for a Lenovo machine labelled TinyAT 100, a short and somewhat ambiguous name that gives no board number, revision or ODM.

Lenovo B50-70 schematic for Compal board LA-B091P, revision 1.0, in a 1.65 MB PDF. A companion LA-B092P schematic for the same model also exists, so confirm the code…

Schematic in PDF covering the Acer Aspire E1-430, E1-430G, E1-470G and E1-430P models according to the file name.

HP Pavilion G7 schematic for Quanta board R23, revision 1A, in its January 28, 2011 release, a 1.30 MB PDF.

Dell Studio 1558 laptop schematic as a 1.28 MB PDF. The file name states only the model, with no ODM, board number or revision, so the title blocks inside the document…

Layout file for the Gigabyte GA-F2A68HM-H micro-ATX mainboard, revision 1.1, packed in an 889 KB RAR. The A68H chipset in the name points to AMD's FM2+ platform.

Firmware package for an HP machine with model code TPN-I131, using motherboard 6050A2977701-MB-A03.

8MB BIOS dump for the ASUS P7H55-M LX desktop motherboard, version 1.02G. The P7H55 name refers to the Intel H55 chipset platform.

Clevo schematic for the A110SU, labelled ESM, with Clevo board number 6-71-A11S0-D02, archived as a 4.01 MB rar holding a PDF.

BIOS dump for the Haier H81H3-CM desktop motherboard, version 1.0, read from a Winbond W25Q64BV SPI flash, a 64 Mbit or 8 MB part.

File for the Sony VAIO VGN-FZ series on the MBX-165 mainboard, MS92 variant, covering the PCG-3A2T / VGN-FZ35 model.

BIOS dump for the ASUS X415JA, board revision 2.1, for a 10th-generation Core i3 variant, with CN and 0WCM codes in the name and a Macronix MX25L12872F flash chip.

BIOS firmware for the Dell Inspiron 20 3064 all-in-one on a Kaby Lake-U platform, board 15107-1, with 3YW3JCA in the name, possibly a service tag or part code.

BIOS firmware archive for the Lenovo ThinkPad X1 Carbon built on the Wistron board 11246-1, with LGS-1 and the PCB code 48.4RQ21.011 in the name, plus a Type 3443…

BIOS dump for the Huawei MateBook X Pro, board MACH-W29 / WX9 with the part code SP1MACHW19M, version B, in a 4.48 MB RAR archive.

Working BIOS image for the Acer Aspire ES1-512, with the name listing EA53_BM and EG52_BM project codes and motherboard 14222-1, part number 448.03708.0011.

Working BIOS dump for the Acer Veriton D630 desktop, motherboard code name Hulk, model MIQ17L, with Wistron board number 14065-1.

Schematic in PDF for the Gigabyte GA-Z97X-UD3H-BK desktop motherboard, revision 1.11, archived as RAR.

BIOS archive for the K650D-I5-D1 using Clevo board 6-71-W65J0-D02, also labelled W650SJMB-0D.

Lenovo ThinkPad Edge E550 schematic for the LCFC-manufactured NM-A221 mainboard, revision 1.0, provided as a 1.6 MB PDF.

Firmware dump for the Acer Aspire S7-392, whose Wistron mainboard carries the project name Storm 2, board number 12302-1 and part number 91.4LZ01.001, revision 1.0.

BIOS firmware archive for the Toshiba Satellite A300-1EB laptop, built on the Inventec-designed motherboard 6050A2169401.

Reference sheet in PDF format for the 2SK2549 field-effect transistor, 373 KB in size. In the JIS numbering used by Japanese semiconductor makers, 2SK denotes an…

Document for the 2SK2400, 403 KB in PDF format and listed as a schematic, although the name points to a single-component datasheet.

The 2SK1920 is the only detail in this file name, and the 93.1 KB PDF is indexed as a schematic.

For the 2SJ579, this 42.7 KB PDF is indexed as a schematic, but a bare part-number name typically marks a datasheet.

This 93.0 KB PDF carries the part number 2SJ258 and nothing else. The 2SJ prefix, under Japanese JIS numbering, indicates a P-channel field-effect transistor, so expect…

Listed in the schematic category, this small 105 KB PDF is in practice a component document for the 2SD1064 part.

A 155 KB PDF bearing the part number 2SC4734 and nothing else. The 2SC prefix belongs to the JIS/JEITA system for NPN bipolar transistors, so despite the schematic label…

Filed under schematics, this 244 KB PDF is named after the part number 2SC4479, which follows the Japanese JIS scheme where the 2SC prefix marks an NPN bipolar…

A 50.2 KB PDF for the 2SC5566, sitting in the schematic section of the index. The name is a bare part number; the 2SC designation in Japanese semiconductor naming refers…

PDF document, 124 KB, named for the 2SC5886 part, an NPN bipolar transistor by its 2SC prefix.