[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 ...

In January 1973, IBM engineer Paul Friedl, PhD (CIT '55; GRS '57, '60, chemical engineering), brought his managers a bold idea: create a portable computer for personal use—a revolutionary concept in ...

[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 ...

Although it was anything but small by today's standards, the Gavilan SC was more compact than rival IBM PC-compatible portable computers such as the 28 pounder (13 kg) Compaq Portable. Gavilan ...