Compaq Portable III

The Compaq Portable III is a PC/AT-compatible computer released by Compaq Computer Corporation in 1987. It was advertised as being much smaller and lighter than the previous portable x86-PCs, however it was still quite large by today's standards. Three models were announced at release. The Model 1 had a list price of and was equipped with a Intel 80286, RAM, floppy, and a colored gas-plasma display. Other options included the Model 20 at which added a , or for the Model 40 with the upgraded . There was also an optional ISA Expansion chassis allowed for 2 full length 16-bit ISA add-in cards for . Power is supplied using a mains electricity outlet, no battery exists.