Introduced April 1981
These days we take our computers everywhere – powerful smartphones, big-screen tablets and for more serious work, laptop computers that can do anything that a desktop machine can do. But if you wanted to take your computer with you forty years ago, then it was a serious hassle to disassemble everything and then assemble it all on the other end – travelling with a computer was just not a practical proposition.
That wasn’t the only issue in the early ‘80s. Even if you bought a computer, at best you’d have the operating system on a floppy disk and really nothing else. To get the most of it you would need to buy software for it, which could often cost more than the substantial amount of money you had already spent on the machine.
Launched in April 1981, the Osborne 1 attempted to tackle both of these issues. A self-contained “luggable” computer, you could simply unplug it from the wall socket and take it with you. Although it weighed a hefty 10.7 kilograms, it was packaged in such a way that you could stow it under an airline seat and potentially take it anywhere. The hardware had its appeals, but it was the bundled software – nominally worth $1500 – which had even more appeal, especially given that the Osborne 1 was priced at $1795. It seemed like a bargain.
The bundled software included WordStar (the leading wordprocessor of its time), dBASE II (the leading database package), SuperCalc (a spreadsheet), PeachTree accounting software, two versions of BASIC, some tutorials and a couple of games: Infocom’s Deadline and a version of Colossal Cave.
Inside the Osborne 1 was a Z80 CPU with 64Kb of RAM, running CP/M 2.2 which was pretty typical for its time. A pair of full height floppies were on either side of a tiny 5” CRT display – smaller than most modern smartphones. The small screen size was in part due to the limited space left in the case due to these drives, which were chosen for robustness rather than capacity and as a result could only store 90Kb. An external monitor interface was available, so you could have a screen both in the office and at home which is still a common solution to portable displays today.
|It's a "portable" computer. You can move it. Not put it on your lap.|
Despite its flaws, the Osborne 1 found its niche. No other company made a viable portable computer, and the software package made it a compelling buy even if you didn’t want to lug it about. It was somewhat expandable too, including a 300 baud modem that could fit into one of the diskette storage bays which made the Osborne 1 viable for rudimentary remote working.
Although the shine was coming off CP/M with the launch of the IBM PC later in 198, Osborne was still selling these in quite large numbers and at a profit. They also had more machines in the pipeline, including the Osborne Executive which had a bigger screen, more storage and more RAM. Things were going well, but then a disaster occurred.
The disaster was a human one. Adam Osborne - a prolific writer of computer books who had founded the Osborne Computer Corporation – announced the follow-on models a significant time before they were ready. Customers and distributors stopped buying the Osborne 1 in anticipation of the better models. This cutting away of their customer base also coincided with the launch of the Kaypro II and eventually the PC-compatible Compaq Portable for high-end users. The company declared bankruptcy in 1983 – just two and a half years after the release of the Osborne 1 – trying a last-ditch attempt to get back in the market with the Executive and the more advanced Osborne Vixen. Ultimately it failed to re-establish a foothold in the market it created, although Osborne limped on until 1985 ultimately producing the Osborne 3 which was based on the Morrow Pivot.
|One you added a couple of full-height floppy drives there wasn't much space for anything else|
Today the infamous “Osborne Effect” is probably better known that the computers that presaged it. Most collectable models are in the United States, but prices for one in working condition are typically just a few hundred dollars.
Tomislav Medak via Flickr – CC BY 2.0
Thomas Conté via Flickr - CC BY-SA 2.0
Dave Jones via Flickr – CC0
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