Quanta-designed Sony VAIO mainboard MBX-216, project GD3, documented in this PDF schematic of about 1.09 MB.

Schematic for Sony motherboard MBX-187, also carrying the IRX-5040 code, delivered as a compact 735 KB PDF.

Repair guide for the Asus X450JN notebook in a 1.01 MB PDF. The motherboard revision is not stated in the name, so confirm it from the document.

Schematic for Quanta project TT9, revision R1A, in an 820 KB PDF, the second copy of an identical document.

Generic boardview archive, 225 KB RAR, whose name carries no brand, model or board number at all.

Samsung GT-I9300 Galaxy S III service manual, revision 1.0, 9.31 MB PDF. Manuals of this type generally cover specifications, disassembly, block diagrams, schematics…

BIOS image of 4 MB for the Toshiba Satellite C850, model A986, from the PLF main board.

BIOS package for the Dell Inspiron N4030 in ZIP form, labelled ATI, which points to the variant fitted with AMD/ATI discrete graphics.

HP Pavilion DV6-2003SO BIOS firmware, marked asli, which means original, in a 916 KB RAR archive.

128 KB binary for the Acer Aspire 5740G, labelled small and OKOK, meaning it was reported working.

BIOS archive labelled 5750G, most likely the Acer Aspire 5750G, although the name gives no brand or board number.

Firmware binary of 4.00 MB named after a 5050 model with the extra number 18534, whose meaning the name does not explain; brand and board revision are not given.

Raw 8.00 MB firmware dump named x200 with the extra tokens ma r, whose meaning is not clear; no brand or board number is stated, so the source device must be confirmed.

ASUS X550CC BIOS read in raw binary form, 8.00 MB to suit a 64 Mbit SPI flash, marked by the name as read OK, meaning it was successfully read from a chip.

Small 125 KB archive of the PCH-labelled BIOS portion for the Dell Latitude E6320, meant to be used alongside the separate main BIOS file.

BIOS dump for an ASUS X451 with an Intel Celeron processor, where GM likely denotes the integrated graphics version; the SJNV token is unexplained.

Datasheet for the JQC-3F relay, the T73 type, a small sugar-cube style PCB power relay commonly found in appliances, control boards and hobby modules.

Datasheet for the LM317 adjustable positive voltage regulator in a 334 KB PDF. The regulator sets its output from about 1.25 V upward with two resistors and supplies up…

Large 9.85 MB PDF datasheet named doc6120, a document number that does not state the component.

A 281 KB PDF datasheet for the TL071, the low-noise JFET-input operational amplifier common in audio preamplifiers, mixers and measurement circuits.

Cleaned BIOS image for Compal laptop board LA-E141P, 16.0 MB in size, so it fits a 128 Mbit SPI flash.

Zip archive with an encrypted firmware image for the Openbox HD2 satellite receiver, carrying a numeric prefix 478 that the name does not explain.

Full 32 MB BIOS dump for a Positivo notebook, N15NPE series, board IND528 revision 1 with an Intel Core i3-N300 processor; EM appears in the name but its meaning is not…

Archived dump read from a GigaDevice GD25Q128B flash chip in a WSON8 package, which holds 128 Mbit (16 MB).

Schematic PDF for the HP TX1000 notebook. The file name gives only the model, with no board number, ODM project code or revision, so confirm the motherboard markings…

PDF schematic labelled only CQ32, which most likely refers to the HP Compaq Presario CQ32 notebook, though the name gives no board number, ODM or revision.

Repair guide for the G750JH gaming notebook, RG in the name, in a 999 KB PDF. Such guides typically show the mainboard with highlighted parts, expected voltages at test…

BIOS image for the HP EliteBook 820 G1, marked u365 and clr me, which points to a cleared Management Engine region; u365 is probably a firmware or board tag, though the…

Boardview in CAD format for Samsung board BA41-01891A, the SCALA2-14DI VE design at revision 1.0.

PDF for the KIA324P, a KEC quad operational amplifier compatible with the widely used LM324, in a DIP package as the P suffix suggests.

PDF for the KA4558, a dual operational amplifier in the KA series, equivalent in function to the familiar 4558 dual op amp, size 121 KB.

Datasheet in PDF format for the 2SC4161, 130 KB in size. The 2SC prefix in Japanese JIS numbering identifies an NPN bipolar transistor, and the sheet should give voltage…

Datasheet-style PDF covering the BD233, BD235 and BD237 family of medium-power transistors, filed here under schematics.

Catalogued as a schematic, this 27.2 KB PDF carries only the code 3LP01SS, which looks like a component part number with a two-letter SS suffix.

PDF reference of 221 KB for the 2SK2909, catalogued as a schematic. Only the part number is present in the name, with no maker or revision indicated.

The 2SK2750 is covered by this 394 KB PDF, indexed as a schematic but most likely the component datasheet, since 2SK is the JIS prefix for N-channel FETs.

Datasheet-style PDF for the 2SK669, a part number in the JIS 2SK series used for N-channel field-effect transistors, listed in the index as a schematic.

The 2SJ419 is covered by this 100 KB PDF, filed under schematics though the part number points to a discrete transistor datasheet.

Archive for the Meizu U20 smartphone, about 2.26 MB in RAR format, with no further detail in the name about its contents.

Archive for the Meizu M6, 3.02 MB in RAR format, with a name that gives the model but nothing about the document type.