Nokia 6020 schematic diagrams, a 1.08 MB PDF with no revision given in the file name. A repair technician can follow the battery and charging path, trace power…

Firmware archive with an uninformative name, ZQ0_125, no brand and no board number, packed as a 3.20 MB RAR file.

Schematic PDF named only B465, a model designation without brand, board number or revision in the file name.

Lenovo IdeaCentre C305 all-in-one archive for the version with discrete graphics, packed as a 734 KB RAR. No board number or GPU model appears in the name.

Compressed archive, 996 KB RAR, for the IBM ThinkPad R61e laptop. The name carries no motherboard number, revision or content description, so open it to see whether it…

Archive for the IBM ThinkPad T40, carrying the same CASTW label as related files, packed as an 845 KB RAR.

Quanta-made motherboard schematic for the LE4 board at revision 1A, provided as a PDF. The name does not say which laptop model uses this board, so identify the device…

PDF circuit diagram for a notebook labelled M7V, 1.29 MB in size. The file name gives the model code alone, without brand, board number or revision, so the exact version…

Sony VAIO VGN-SR55E schematic covering the MBX-190 motherboard, with M750 also given in the name, likely a project or model code.

Circuit diagram for the Sony MBX-178 mainboard from project M620, marked PVT, a production validation build, with 0608 and 1000 appearing to be release tags.

Schematic for Sony VAIO motherboard MBX-147, supplied as a 1.25 MB PDF; the name gives only the board number, without model, project code or revision.

Schematic PDF for the Sony PCG-FR310, mainboard MBX-80, a design built on Quanta's NE5 platform. No revision appears in the name, so check the board silkscreen for it.

PDF schematic identified only by the project code M920 and the PVT tag, meaning production validation test stage, with no brand or board number given in the name.

Another M851 schematic for Sony motherboard MBX-217, identical in size at 847 KB to the plain version, so it is likely the same document under a different name; the…

Repair guide for the Asus X550LD notebook, provided as a PDF of about 1004 KB. The name carries no board revision or further details.

Second copy of the Quanta CT1 motherboard schematic, revision R1A, 926 KB PDF, identical in size to the other CT1 file.

Quanta schematic covering projects OP6 and OP7 at revision RA, a 1.24 MB PDF; the bracketed 2 marks a duplicate copy of an identically sized file.

Quanta OP8 schematic, revision R1A, a 2.52 MB PDF. The name lists the Quanta project code and revision without any retail model, chipset or CPU details.

Revision 0.2 schematic for the Compal LA-5481P motherboard, a compact 994 KB PDF. No laptop brand or model appears in the name, so identify the machine by the LA-5481P…

ASUS K42Jv laptop schematic in PDF format, 1.41 MB in size. No board number or revision is given in the name, so read the title block and compare it with the silkscreen…

HP Pavilion dv6 schematic for the Quanta LX89 project, board DA0LX8MB6D1, revision D, in a 1.58 MB PDF.

Small 50.6 KB RAR archive with a generic boardview name that states no brand, model or board number.

Archive for the Samsung Galaxy J7 Prime, model SM-G610F, 2.79 MB in RAR format. The name lists no file contents, so it may hold a schematic, a layout or repair diagrams…

A 1 MB ROM image whose name, hasse -Q3C85, gives little to identify it; Q3C85 may be a BIOS version or board code, but no brand or model is stated.

Apple iPhone 4S schematic in PDF form, about 650 KB. A circuit diagram like this helps trace power rails, check connections between the processor, PMIC, charging…

Samsung Galaxy S5 SM-G900S document, a 12.3 MB PDF carrying schematic material for the Korean-market S5 variant.

Small 1.02 KB text document named as a programmable IO list. The name does not say which device, chip or board it concerns.

Firmware archive for the Eee PC 2G Surf, identified in the name by the 700X model code.

BIOS package for the HP Envy dv7-7252er notebook, supplied as a 3.49 MB RAR archive. The name gives no motherboard number or revision, so identify the board from the PCB…

Raw KB9012 embedded controller firmware for a Compal LA-9315P motherboard; the name gives no laptop model, only the board number.

HP Pavilion dv5-1190eo BIOS dump, a 839 KB RAR archive whose name ends in -1, likely indicating one of several copies or a first variant.

ZIP archive with BIOS data for the Acer Aspire V3-571G configuration 53218G75Maii; the trailing MFG token likely marks a manufacturing-mode image, though the name alone…

RAR archive of firmware labelled BA50v219, about 4.49 MB. BA50 is a platform code that appears with Acer TravelMate P453 boards, and v219 appears to be a version tag…

Keyboard controller (KBC/EC) firmware for the Lenovo G510 on Compal board LA-9641P, a small 128 KB binary.

Firmware archive of 3.33 MB for the HP Pavilion g6-2311se notebook, identified by its full product number.

BIOS firmware for the Lenovo G50 on board codes ACLU1 / ACLU2 with the A271 identifier, revision 1.0, delivered as a 3.05 MB RAR.

Smaller of two firmware dumps for the HP 630 on the Intel HM55 chipset, at 512 KB. The size suggests a secondary chip such as an embedded controller or keyboard…

Short datasheet, around 78.7 KB, for the HC-SR04 ultrasonic distance sensor module widely used in hobby and educational electronics.

Datasheet stored as a 1.05 MB PDF and named only doc6327, a document number with no component name in it.

Datasheet in PDF format, 1.39 MB, labelled doc6213, which is a document code and does not name the part.