RAR package for the IBM ThinkPad T40 notebook, with a CASTW prefix whose meaning the name does not explain.

Archive for the IBM ThinkPad T40, carrying the same CASTW label as related files, packed as an 845 KB RAR.

Schematic drawing set for the IBM ThinkPad T40 in PDF format, 1.08 MB. Beyond the model, the name provides no board number, revision or configuration details.

Boardview for the IBM-branded ThinkPad T400 with the board code MLB3I-7, packed as a ZIP archive.

Schematic for the IBM ThinkPad T40 in PDF format, approximately 1.08 MB. Only the model name is given; there is no motherboard number or revision in the name, so check…

RAR archive labelled for the IBM ThinkPad T40, about 1.05 MB, most likely holding service documentation such as a schematic for that notebook.

Schematic diagram of the IBM ThinkPad T40, stored as a PDF of about 1.08 MB. The name gives only the model, with no board number or revision, so match the document…

Firmware image for the Lenovo IBM ThinkPad T400 on the MLB3I-7 board, stated as a 4MB flash dump, delivered as a 3.94 MB RAR archive.

Vietnamese-language repair handbook covering ThinkPad T40 to T43 models; the title translates roughly as repair manual.

CASTW-labelled RAR archive of 1.39 MB for the IBM ThinkPad T41 notebook. Apart from the model, the name offers no board number, revision or content list, so unpack it…