This is a long 64-256 memory board with spare chips. It was received with an IBM Portable Personal Computer. This computer and its remaining components and software (e.g. the parts of accession ...

This set of sheets gives a portion of the instructions for setting up an IBM Personal Portable Computer, particularly section 4 on Option Installation and a section on switch settings.

[Yeo Kheng Meng] didn’t cheat by simply running MS-DOS on a modern PC, either: he tested the client on a real 1984 vintage IBM 5155 Portable PC. This semi-portable PC/XT model sports a 4.77 MHz ...

This adaptor lets you use Pico ATX PSU on the IBM 5155 Portable Personal Computer. The PSU-in-a-Card replaces the original PSU, and uses very common 12V power brick instead.