ASUS K42JR notebook schematic at revision 2.0, stored as a PDF of about 2.69 MB. Since the revision is stated, compare it with the version printed on your mainboard…

Circuit diagram for the ASUS K42F laptop, revision 1.0, provided as a PDF of about 1.41 MB; no motherboard number appears in the name.

Another BIOS dump for the Asus X42J, related to the K42JR, built on the Intel HM55 chipset with AMD graphics; the GPU part number is written as 216-089000, probably a…

RAR archive for the Asus K42JR laptop mainboard, revision 4.1 according to the name, most likely holding the service schematic for that board.

BIOS dump for the ASUS K42JR notebook, described as an Intel Core i3 build with ATI graphics on a PCH-based chipset, in a 4 MB binary.

Boardview for the ASUS K42DR laptop mainboard, revision 2.3, packed in a RAR archive of about 179 KB.

Firmware image for an Asus X42J board, with a note pointing to the K42JR, built with an AMD 216-0809000 discrete GPU and the Intel HM55 chipset.

BIOS package for the ASUS K42L series laptop on Compal board LA-A291P revision 1.0, with VAW70 as the platform code.

Another working dump for the ASUS X42J main board in the K42JR, HM55 chipset with AMD graphics, where the GPU code is written as 216-089000, probably a shortened form of…

Compal LA-E581P schematic at revision 0.3, provided as PDF in a 3.91 MB RAR. The name lists the K42, V720 and 720S designations and the N16S-GTR-S graphics chip, which…

Revision 2.0 boardview of the ASUS K42DR notebook mainboard, compressed in a RAR file of roughly 177 KB.

ASUS K42JA BIOS image for mainboard revision 2.0, supplied as a 1.75 MB RAR archive. The name indicates a 4MB flash image and carries an OK OK mark, which uploaders…

BIOS package for the Lenovo Zhaoyang K42, model code 80CIZV0, built on Compal board LA-E581P, revision 2A, dated 2017-03-22, with an 8 MB image size noted.

BIOS image for the ASUS K42Jr, board revision 2.0, with the Intel Management Engine region cleaned, supplied as a 1.50 MB ZIP.

BIOS archive for the ASUS K42JR at board revision 3.2, marked DIS for the discrete graphics version, with a 4 MB flash image, packed as a 3.08 MB RAR.

BIOS image for the ASUS K42JA laptop, revision 2.0 board, sized for a 4MB flash chip and described as working and tested.

Working BIOS dump for the ASUS K42JC notebook, board revision 2.2, matching the version fitted with the NVIDIA N11M-GE2-S-B1 graphics chip.

BIOS firmware archive for the ASUS K42N laptop, packed as a 1.10 MB RAR file. The name gives only the model, with no board revision, chip type or ME status, so open the…