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Questions tagged [portable]

For questions about portable computers, including laptops and "luggables".

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20 votes
9 answers
4k views

Were there ever any dumb terminals in a portable form factor?

I’m curious if there was ever a case of a company making some sort of serial ASCII terminal, but in a portable factor, such as a laptop or even reasonable luggable. I’ve seen plenty of portable ...
an earwig's user avatar
  • 519
11 votes
2 answers
910 views

Identify early portable computer

A friend who had an early computer store is trying to identify a machine. Some guesses are Zenith mini sport, clone of a Toshiba T1000 and some kind of HP device.
George White's user avatar
9 votes
1 answer
1k views

Were single-sided floppy drives really more tolerant of rough handling?

The Osborne 1 was a luggable computer that contained a pair of 5.25-inch floppy drives. According to https://en.wikipedia.org/wiki/Osborne_1 Adam Osborne decided to use single-sided disk drives out ...
rwallace's user avatar
  • 61.4k
-3 votes
1 answer
239 views

Building a Sega Genesis Classic Portable - What kind of display? [closed]

I am trying to make a portable version of a Sega Genesis Classic. (See this example on Youtube.) I'm wondering what kind of display module I would need to solder to the board for this project.
ManquX's user avatar
  • 7
9 votes
4 answers
2k views

Compaq Portable vs IBM 5155 Portable PC

In 1983, Compaq introduced its first product, a portable computer weighing 28 pounds; 128-640K RAM, two 5.25" floppy drives, 9" monochrome CRT for $3590. It was extremely successful in the market, and ...
rwallace's user avatar
  • 61.4k
9 votes
2 answers
2k views

Can anyone help me identify this computer?

In my loft there is a computer with no branding that needs a new CMOS battery, and one that has the branding 'Tri Data' which I can't find anywhere on the internet. It just shows a white screen as ...
Alex Maurer Briggs's user avatar
14 votes
2 answers
4k views

First computer with LCD screen

The Toshiba T100, the company's first laptop computer, shipped in 1982 with an LCD screen of 80x25 text resolution: http://oldcomputers.net/toshiba-t100.html Was this the first computer ever to have ...
rwallace's user avatar
  • 61.4k
13 votes
12 answers
3k views

Which pointing devices were used by early laptop computers?

I've started reading this article on the history of the ThinkPad. In it, the TrackPoint (pointing stick/"nipple" mouse) is heralded as an important innovation in the design of portable computers at ...
Muzer's user avatar
  • 1,782
13 votes
3 answers
454 views

Dealing with old laptop batteries?

So, I inherited this old Epson Equity LT... It's a laptop with internal Ni-Cd batteries. No battery quick disconnect, but apparently they're at least somewhat removable as the manual says that you ...
Brian Knoblauch's user avatar
10 votes
1 answer
526 views

Grid Compass - why such a small display?

The Grid Compass, released in 1982, was arguably the world's first full-fledged laptop, whose only glaring deficiency to modern eyes is the small display, 320x240 with physical size to match, ...
rwallace's user avatar
  • 61.4k
7 votes
2 answers
2k views

How early could plasma screens be used in laptops?

Back in the eighties, batteries weren't yet at the point where they could run a laptop with similar computing power to a desktop. If you wanted that much computing power, you just accepted that your ...
rwallace's user avatar
  • 61.4k