ZIP archive of service material for the Dell Inspiron 15R 3521, identified by the VAW00 platform code and Compal board LA-9104P.

Motherboard schematic for the IBM ThinkPad T42, a 1.08 MB PDF. The file name lists no board number, revision or GPU option, so verify the version against the labels on…

Schematic in PDF form for an H61MXL-K desktop motherboard, compressed into a RAR archive of about 1.10 MB.

ZIP archive of 573 KB for the Gigabyte GA-H61M-S motherboard, an entry-level H61 micro-ATX design.

Gigabyte GA-G41M-ES2L motherboard files, a 1.47 MB ZIP archive whose name lists no revision or contents.

ZIP archive of 193 KB tied to ET2220I, which matches the naming of an all-in-one desktop series, with V1.2 indicating version or revision 1.2.

Compressed RAR archive of 703 KB labelled only with Dell and PP41L, which is a Dell regulatory model code rather than a motherboard number.

Archive of 1.96 MB labelled Dell 1427, most likely referring to the Inspiron 1427 notebook, though the name gives no board number, revision or content type.

Compact zip archive of 1.10 MB holding a schematic, named only with the model code x6812 and listed under Tecno and Infinix.

RAR archive labelled Foxconn V070 DVT MB, filed under ECS. DVT stands for design verification test, an engineering build stage, and MB for mainboard.

RAR archive of 47.8 KB tied to the number 08530 with an SC suffix; no brand, model or revision is given in the name.

RAR archive of 660 KB related to the abit M630, a motherboard model from the brand abit; the name does not say whether it holds a BIOS image, manual or schematic.

NexusBV release 0.7 stored in a 7.02 MB zip file, filed in the BIOS and firmware category.

Spanish-language course chapter on basic electronics, provided as an 817 KB PDF and apparently the same content as the numbered topic 2 of the series.

Topic 4 of a Spanish mobile repair course, explaining how to identify the parts of a smartphone, as a 404 KB PDF identical in size to the unnumbered copy.

Portuguese list of common defects and possible solutions for reported problems, written as a troubleshooting guide.

Portuguese fault-analysis document for the J700, which by naming convention is most likely a Samsung Galaxy J7 handset, although no brand is stated.

Chapter three of a Spanish mobile-phone training series, explaining how a phone works, as a 1.75 MB PDF.

ZIP archive of 737 KB labelled A037 (ORG) SUB BOARD, apparently original data for a sub board, or daughterboard.

Firmware dump packed in a 2.18 MB zip whose name, simply 8.bin, gives no hint about the device, board number or version it came from.

Archive for the HP ProBook 430 G5 built on Quanta board DA0X8BMB6F0 revision F, 5.45 MB RAR.

Boardview in CAD format for mainboard 6050A2945601-MB-A01, roughly 3.08 MB. Numbers starting with 6050A belong to Inventec board numbering, used on laptops built for…

Unlocked BIOS file for the HP ProBook 450 G7, packaged as a 7.07 MB rar. The unlocked tag generally means a dump with the BIOS password or similar protection stripped so…

RAR archive, 2.80 MB, named after board or part code 5800-A6M630-0P10 with the note best TIT-50, whose meaning the name does not explain.

Rear 5MP ultrawide camera schematic for the Samsung SM-A23, provided as a 2.79 MB PDF. The drawing covers the ultrawide module connector, its data and control lines and…

Memory card slot schematic for the Samsung SM-A21s, provided as a 3.81 MB PDF. It documents the microSD reader circuit, typically the slot supply, data and clock lines…

Samsung SM-A20S schematic section covering the Wi-Fi, Bluetooth and GPS circuitry, supplied as a 4.63 MB PDF.

PDF schematic for a sub board, labelled A015 and marked ORG, which typically indicates an original rather than redrawn document.

Schematic section in PDF for the handsfree, meaning the headset or wired earphone jack circuit, from an unnamed sectioned set of roughly 4.77 MB pages.

Schematic section for the Samsung SM-A02S smartphone covering the handsfree audio circuit, supplied as a 1.79 MB PDF.

ASUS desktop motherboard schematic for the P5KPL-AM, with an IN suffix that likely marks a regional variant.

PDF schematic, 2.39 MB, for Wistron project LAR-2 CZ with board number 203088-3. The name gives no brand or laptop model, so identify the machine from the PCB markings.

Small 28 KB firmware archive called NPHY_TGP, where TGP very likely refers to Intel Tiger Lake PCH platforms.

Schematic in PDF form for Inventec motherboard 6050A3087502, revision MB-A03, 2.75 MB. Inventec's 6050A numbering is common on HP notebook boards, though the name gives…

Archive for a board with Wistron number 19861-1, labelled MKB N TGL 8L MB, where TGL likely refers to Intel Tiger Lake and 8L to an eight-layer PCB.

Boardview archive labelled GH5AD2D V1.0, a 413 KB ZIP, with no brand or device model given in the name.

ASUS boardview for a desktop motherboard with the Intel H81 chipset, revision R1.02; the exact model name is not given.

Schematic in PDF form for a Sony laptop motherboard with the Quanta code DA0HK9MB6D0, revision 1A.

Layout data for the Gigabyte GA-H97M-D3H at revision 1.0, supplied as a zipped TVW boardview of 749 KB.

Schematic in PDF for the Acer A315 laptop on the Quanta Z8G platform, board number DA0Z8GMB8D0, with revision 1A and Rev. F noted in the name.