Archive for the HP ProBook 450 G1, labelled as a Wistron design dated 2013, so it is most likely a schematic packed in RAR form.

BIOS dump for the HP ProBook 450 G0, codenamed FiJi, from mainboard 12238-1 with PCB number 48.4YZ31.001, UMA graphics version.

Boardview archive for the HP ProBook 440 G8 and 450 G8 motherboard, Quanta project X8QA, board DAX8QAMB8D0.

Second copy of an 8.00 MB firmware image for the HP ProBook 450 G0, Wistron board FiJi 12238-1, part number 48.4YZ31.001.

BIOS dump for the HP ProBook 450 G2 on Compal board LA-B181P, packed as a 4.56 MB ZIP. Compal labels boards with LA codes, so confirm the same number is printed on your…

Schematic package for the HP ProBook 450 G2, Compal board LA-B181P, with the ZPL40, ZPL50 and ZPL70 project codes, supplied inside a RAR archive.

BIOS firmware set for the HP ProBook 450 G3, built on the Quanta DAX63CMB6C0 mainboard, revision C.

Firmware for the HP ProBook 450 G7 on Quanta board DAG7HAMB8F0, revision F, labelled as tested and working.

BIOS for the HP ProBook 450 G3 in the Intel Core i5 configuration with AMD graphics, associated with Quanta board DA0X63MB6H1.

Schematic in PDF form for the HP ProBook 450 G3, built on Quanta board X63C with the PCB number DAX63CMB6C0, revision 1A. It comes in a 1.71 MB RAR archive.

BIOS dump for the HP ProBook 450 with Rampage named as the project, board 12241-1 and PCB part 48.4YW04.011, stored as a 3.99 MB ZIP.

BIOS firmware for HP ProBook 440 and 450 G8 laptops on Quanta board X8QA, part DAX8QAMB8D0 at revision D, in a 23.1 MB RAR.

BIOS archive covering the HP ProBook 440 G2 and 450 G2, which share the ZPL40 and ZPL50 platform codes mentioned in the name.

Circuit diagram for the HP ProBook 440 G8 and 450 G8, built by Quanta on its X8QA platform with board number DAX8QAMB8D0.

Firmware for the HP ProBook 450 G0, built on the FiJi platform with motherboard 12238-1 and assembly part 48.4YZ31.001, supplied as a 3.52 MB RAR.

Working BIOS for HP ProBook 440 G2 and 450 G2 laptops, platforms ZPL40, ZPL50 and ZPL70, on board LA-B181P revision 1.0.

BIOS archive for HP ProBook 450 G2 and 440 G2 notebooks on a Compal LA-B181P mainboard, with a dump for the 470 G2 included as well.

Working BIOS for the HP ProBook 450 G5 on Quanta board DA0X8CMB6E0, revision E, saved from a unit with an Intel Core i5-8250U processor.

BIOS firmware package for the HP ProBook 450 G6 laptop, built on the DA0X8JM8E0 motherboard at revision E, packed as a 6.86 MB RAR archive.

BIOS for the HP ProBook 450 G2 on Compal board LA-B181P, project codes ZPL40, ZPL50 and ZPL70. The M73 tag in the name likely refers to HP's BIOS family.

Firmware for the HP ProBook 450 G2 on Compal board LA-B181P revision 1.0, with project codes ZPL40, ZPL50 and ZPL70, dated 2014-04-25 in the name.

BIOS firmware collection for the HP ProBook 440, 450 and 470 G1, from the Wistron-built version of these notebooks; the name gives no board number or revision.

BIOS dump for the HP ProBook 450 G10 on Quanta board DA0X8TMB8E1, revision E, intended for the 13th Gen Intel CPU variant and marked as tested working, packed in ZIP.

Firmware dump for the HP ProBook 450 G4 notebook on Quanta board DA0X83MB6H0 revision H, packed as a 5.56 MB RAR and described as tested.

BIOS image for the HP ProBook 450 G5 built on Quanta board DA0X8CMB6E0 revision E, project code X8C, marked for the 8th generation Intel CPU version of the board.

BIOS image for the HP ProBook 450 G5 on the Quanta board DA0X8CMB6E0, revision E. The name indicates a 16 MB flash, which corresponds to a 128 Mbit SPI chip.

BIOS firmware for the HP ProBook 450 on the Rampage motherboard, Wistron 12241-1, PCB part 48.4YW04.011, in a 4.04 MB ZIP.

BIOS dump for the HP ProBook 450 G3 built on Quanta board DAX63CMB6C0, revision C, with the Intel Management Engine region cleaned so the image can be written to a…

BIOS dump for the HP ProBook 450 G3 built on Quanta board DAX63CMB6C0, revision C, labelled as a working image confirmed by the uploader as fully functional.

Firmware image for the HP ProBook 450 G0, built on the Wistron FiJi platform with motherboard 12238-1, also identified by the part number 48.4YZ31.001.

BIOS image for the HP ProBook 450 G0, FiJi mainboard 12238-1 with Wistron part number 48.4YZ31.001, supplied as a BIN inside a ZIP of 3.61 MB.

Firmware for the HP ProBook 440 G2 and 450 G2 on Compal board LA-B181P revision 1.0, with ZPL40, ZPL50 and ZPL70 being the Compal project codes printed beside it.

ZIP archive with BIOS firmware for the HP ProBook 450 G1, built on the Wistron board 12241-1 codenamed Rampage, with the PCB part number 48.4YW03.011 also listed.

BIOS archive for the HP ProBook 440 G2 and 450 G2, built on the ZPL40, ZPL50 and ZPL70 platform with Compal board LA-B181P at revision 1.0.

RAR archive for the HP ProBook 450 G2, built on Compal board LA-B181P with the ZPL40, ZPL50 and ZPL70 project codes listed in the name.

Schematic for the HP ProBook 450 G1, produced by Wistron in 2013, compressed as a 2.08 MB RAR.

Boardview for the HP ProBook 440 G8 and 450 G8, built on Quanta board X8QA with number DAX8QAMB8D0, revision D, in a RAR archive.

Working BIOS image for HP ProBook 450 G3 laptops using the Quanta X63C platform, board DAX63CMB6C0 revision C.

HP ProBook 450 G2 and 440 G2 BIOS for Compal board LA-B181P, revision 1.0, listing the ZPL40, ZPL50 and ZPL70 platform codes, with an 8MB image size.

Schematic for the HP ProBook 450 G1 made by Wistron, dated 2013 in the name, for the S series design on the Intel Shark Bay platform, with the revision marked MV.