Compaq Portable III

The Compaq Portable III is a PC/AT-compatible computer released by Compaq Computer Corporation in 1987.[1] 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 3999 USD and was equipped with a 12 MHz Intel 80286, 640 KB RAM, 1.2 MB 5.25" floppy, and a 10" amber colored gas-plasma display.[3] Other options included the Model 20 at 4999 USD which added a 20 MB hard disk,[4] or 5799 USD for the Model 40 with the upgraded 40 MB hard disk.[1] There was also an optional ISA Expansion chassis allowed for 2 full length 16-bit ISA add-in cards[1] for 199 USD.[4] Power is supplied using a mains electricity outlet, no battery exists.[1]

Compaq Portable III
ManufacturerCompaq Computer Corporation, United States
TypePortable computer
Release date1987 (1987)
Operating systemMS-DOS 3.1
CPUIntel 80286 @ 12 MHz, Intel 80287 (FPU) option
Memory640 - 8192 kB RAM[1]
Display10" amber colored gas-plasma display
Graphics640 × 400 resolution, 80 × 25 text
SoundPIT using a mini speaker
ConnectivityCGA,[2] serial, parallel[1]
Dimensions41 (width) x 19.2 (depth) x 24.8 (height) cm
Mass9.1 kg
PredecessorCompaq Portable II
SuccessorCompaq Portable 386

References
  1. oldcomputers.net - Compaq III Portable computer
  2. freegeekvancouver.blogspot.com - Free Geek Vancouver Volunteer Blog: Old Gear Lives On: A Hack (Part 2)
  3. Unger, John (May 1987). "Compaq's New Carrryon". Byte Magazine. pp. 221–225. Retrieved November 28, 2018.
  4. net2000plus.tripod.com - Compaq Portable III computer


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