IBM ThinkPad T41 schematic, a 1.09 MB PDF with no board number or revision mentioned in its name.

Schematic for the IBM ThinkPad A31, a 1.00 MB PDF whose name gives only the model. No board number or revision is mentioned, so compare the PCB markings with the…

Schematic diagram set for the IBM ThinkPad X61 ultraportable, 1.42 MB in PDF format. The name contains only the model, so the board number and revision are not…

Circuit diagram for the Z94 board, revision 1.1, as a 902 KB PDF. No brand or full board number appears in the name, so the cover page should be consulted to confirm the…

PDF schematic labelled UL20A, a 1.32 MB circuit diagram for the notebook mainboard carrying that model designation; the name gives no board number, revision or brand.

Schematic for the ASUS Eee PC T91, with R12G in the file name most likely indicating a board revision, though that is not stated explicitly; the PDF is 597 KB.

Mainboard schematic tagged HK5 with the note mb-pvt-0202a, indicating a production validation test build and an internal date or version code; no brand or board number…

Schematic PDF for the Lenovo IdeaPad S10-3t netbook, with Caucasus named as the platform or project code. At 815 KB it should cover the main board circuitry.

Schematic for the ASUS K42JR laptop, revision 2.0, as a 2.69 MB PDF. No motherboard code is given, so confirm the revision printed on the PCB matches 2.0 before relying…

Short PDF document of 124 KB titled DMI process, catalogued as a schematic but more likely a procedure guide. No laptop brand or model is named.

Sony VAIO VPCEE25FX BIOS dump in a 2 MB ROM file; the (2) in the name suggests a duplicate or second copy. The 2 MB size matches a 16 Mbit SPI flash chip.

Schematic diagram for the Apple iPhone 4S, supplied as a 1.34 MB PDF. It is useful for following signal paths and supply lines, locating the circuits behind faults such…

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

BIOS package for the K52Jc laptop, with AS216 in the name most likely marking the ASUS BIOS version 216.

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

4 MB BIOS binary for a Dell 1564 model, presumably the Inspiron 1564, in the version with ATI discrete graphics as the name states.

Firmware for a Starsat X97 USB satellite receiver, an 88.6 KB file with no extension or version given in the name.

Original BIOS archive for the HP G42-396TX laptop, blue board version, as the name states.

BIOS archive for the Lenovo IdeaPad S510P, marked new, 3.26 MB in ZIP format; the name gives no board number, GPU variant or version.

BIOS firmware for the Lenovo B560 laptop, supplied as a 1.63 MB RAR archive. The name gives no board number, graphics variant or firmware version, so extract it and…

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

PDF schematic for the HP EliteBook 8540p and 8540w family as named, built on Compal board LA-4902P, revision 1.0.

Datasheet for the LM75, a digital temperature sensor and thermal watchdog that reports readings over a two-wire I2C or SMBus style interface.

Datasheet for the LM335 precision temperature sensor, a 210 KB PDF. The device behaves like a two-terminal Zener whose breakdown voltage tracks absolute temperature at…

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

Schematic for the Dell Latitude 5401, Compal board LA-H171P with the project code EDC42, a Coffee Lake-H platform with UMA graphics, board revision A00 dated 2019-03-20.

HDD BIOS package for the HP HEDWIG02 board, Inventec/Foxconn number 6050A3285801, MB A01 (A1), labelled as fully OK.

Schematic in PDF for the Gigabyte H410M H V3 desktop motherboard, revision 1.1. The drawings cover the circuits of this board, so a technician can follow CPU and memory…

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…

Schematic PDF for the ASUS PU551JA laptop motherboard, revision 2.0, about 5 MB. The diagrams show power rails, the charger and PWM controllers, embedded controller…

Datasheet-style PDF for the BU2508DX, roughly 80 KB, indexed under schematics. This is a well known horizontal deflection transistor for CRT TVs and monitors, and the D…

Combined datasheet for the BC546 and BC547 NPN small-signal transistors, packaged as a 57.5 KB PDF.

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.

Named 3LN02C, this 41.8 KB PDF is filed among schematics but its name is a component-type code with a C suffix and gives no device or board details.

The name 2SK1446LS marks this 32 KB PDF as covering an LS-suffixed version of the 2SK1446.

Samsung SM-A127F repair archive in RAR format, about 2.29 MB, named only by the model code with no hint of its exact contents.

Archive named G973F, the model code of the Samsung Galaxy S10 international variant, packed as a 7.70 MB RAR.

Generic 25.4 MB RAR archive with the vague name hpp pc, which tells nothing reliable about its contents.

Small 31.3 KB PDF covering the 2SC5265LS, filed as a schematic. The 2SC prefix in the JIS system identifies an NPN bipolar transistor, and the LS suffix marks a variant…

At 192 KB this PDF is somewhat larger than its neighbours and covers the 2SC3142 transistor, an NPN bipolar part under JIS 2SC numbering.