A 537 KB PDF datasheet for the AD7542 from Analog Devices, a 12-bit multiplying DAC designed to load data from a 4-bit microprocessor bus in nibble form.

Filed as a schematic, this 53 KB PDF is named after the 2SD1725 part number, so it is most likely a component datasheet rather than a board diagram.

A 53.1 KB PDF referencing the 2SC3902, an NPN bipolar transistor under JIS numbering, where 2SC marks that device class.

A 53.4 KB PDF for 2N5551, carrying a Sam tag in brackets that likely names the publishing manufacturer, though the abbreviation is not spelled out.

Datasheet for the 2N2222A transistor, a 53.4 KB PDF whose name carries a Phi tag, most likely identifying the manufacturer edition.

Listed as a schematic, this 53.9 KB PDF is named only with the code 55HQ030, and no device, brand or board revision is given.

Schematic PDF of 1.53 MB titled Z470 989 PCH, where PCH refers to the Intel Platform Controller Hub section and Z470 and 989 are likely the model or board identifiers…

RAR archive of 1.53 MB containing a PDF schematic for Lenovo board NM-A101. The NM-xxxx board numbering is used by LCFC, Lenovo's own design and manufacturing arm.

Archive of 537 KB for the P5KPL-AM PS, an ASUS LGA775 micro ATX motherboard whose PS suffix marks a distinct variant from the plain AM and AM IN boards.

Positivo notebook schematic from Shuttle covering mainboard A14IM01, revision A, in a 532 KB PDF.

Revision 20 boardview for the MSI MS-V380 PCB, stored as a CAD file in a 537 KB archive.

MSI MS-V380 boardview, revision 21, as a CAD layout file packed in a 537 KB RAR. The MS-V prefix is the MSI numbering used for graphics card boards.

Boardview for the ASRock P45TS motherboard, tagged BDV, in a 531 KB RAR archive; the extra FZ tag in the name is not explained.

Lenovo S680 service documentation consisting of a schematic diagram and service manual in a 1.53 MB RAR archive.

Lenovo A850 schematic diagram and service manual, a comparatively large 6.53 MB RAR archive that likely includes detailed sheets or images.

BIOS image for the Zebronics ZX-I945LM motherboard, version 3.2, delivered as a 536 KB ZIP archive.

Archive for the FIC PCA50D board, revision 0.2, roughly 1.53 MB in RAR format. PCA50D is a First International Computer code, and the D suffix marks a variant of the…

BIOS for the Acer Aspire One 533 netbook, named AO533, in a 795 KB RAR archive. The name gives no version, board code or chip capacity, so the contents and the flash…

RAR archive of 7.53 MB labelled as service material for the Samsung SM-G531H. The name says only service, so the exact contents are not stated.

Compressed BIOS package for the Lenovo G50-30, machine type 80G0. The RAR is 2.53 MB, so extract it and check the actual image size; G50 series boards commonly use…

RAR archive of 6.53 MB titled 5742z, presumably firmware for the Acer Aspire 5742Z, with no board number or version in the name.

Version of the 2N5401 high-voltage PNP transistor datasheet tagged Sam in the name, a 53.3 KB PDF.

A compact PDF of 53.8 KB indexed as a schematic, named only after the part number 1SS350.

The fourth section of a numbered 16M-DRAM document collection, stored as a 536 KB PDF and indexed as a schematic. The title says only that it concerns 16-megabit DRAM.

Compact 53 KB PDF named for the 10DF1 to 10DF8 range, indexed as a schematic. The name appears to describe a family of diodes spanning several voltage grades in one…

Board package for code 5LXWL, revision suffix RH-11, stored as a 1.53 MB RAR archive. The name identifies only the board, not the document type, so whether a schematic…

PDF of about 539 KB named only with a Texas Instruments SDLS literature code, so the specific device is not given in the name.

Boardview for the PG10MG motherboard, Inventec number 6050A2262201, MB revision A02, packed in a 531 KB RAR.

Boardview file for the MSI MS-V380 PCB in revision 23, stored in CAD format within a 537 KB archive.

BIOS package for the Acer Aspire E5-575 and 735T on Quanta board DAZAAMB16E0 revision E, including keyboard EC firmware alongside the main BIOS, 4.53 MB in RAR form.

Service manual and schematic diagram for the ASUS A400CG phone, contained in a 6.53 MB ZIP archive. The name gives the model without revision or variant details.

ZIP archive of 4.53 MB holding Samsung F700 documentation for model SGH-F700V, marked as copy one.

PDF schematic for the PT10A AG Potomac 10A mainboard, MP build A03, dated 20080805, which makes it a later issue than earlier Potomac A03 sets. Packed as a 2.53 MB RAR.

MSI MS-6593 zip package of 2.53 MB. The file name only identifies the brand and the board code, so whether it carries a schematic, firmware or both is not stated.

Firmware package for the Acer Aspire One 532h, listed as AO532h, in a 793 KB RAR. Only the model appears in the name; the BIOS version, motherboard number and chip…

BIOS firmware for the Acer Aspire 5520G, packed as a 534 KB RAR, so the image inside is probably about 512 KB.

A 53.4 KB PDF covering the 2SD2614 transistor, catalogued as a schematic although the name points to a single-part datasheet.

Small 53.0 KB PDF for the 2SD1280 with an _E suffix, classified as a schematic in the index.

Board layout in .cad format for V336 revision 31, which probably means 3.1, at a size of 4.53 MB.

Schematic set in PDF form for the Quanta LI8G mainboard, number DALI8GMB6D0, packed in a 1.53 MB RAR archive.